CVE Vulnerabilities

CVE-2021-31366

Unchecked Return Value

Published: Oct 19, 2021 | Modified: Oct 25, 2021
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
3.3 LOW
AV:A/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

An Unchecked Return Value vulnerability in the authd (authentication daemon) of Juniper Networks Junos OS on MX Series configured for subscriber management / BBE allows an adjacent attacker to cause a crash by sending a specific username. This impacts authentication, authorization, and accounting (AAA) services on the MX devices and leads to a Denial of Service (DoS) condition. Continued receipted of these PPP login request will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2.

Weakness

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

Affected Software

Name Vendor Start Version End Version
Junos Juniper 15.1 (including) 15.1 (including)
Junos Juniper 15.1-a1 (including) 15.1-a1 (including)
Junos Juniper 15.1-f (including) 15.1-f (including)
Junos Juniper 15.1-f1 (including) 15.1-f1 (including)
Junos Juniper 15.1-f2 (including) 15.1-f2 (including)
Junos Juniper 15.1-f2-s1 (including) 15.1-f2-s1 (including)
Junos Juniper 15.1-f2-s2 (including) 15.1-f2-s2 (including)
Junos Juniper 15.1-f2-s3 (including) 15.1-f2-s3 (including)
Junos Juniper 15.1-f2-s4 (including) 15.1-f2-s4 (including)
Junos Juniper 15.1-f3 (including) 15.1-f3 (including)
Junos Juniper 15.1-f4 (including) 15.1-f4 (including)
Junos Juniper 15.1-f5 (including) 15.1-f5 (including)
Junos Juniper 15.1-f5-s7 (including) 15.1-f5-s7 (including)
Junos Juniper 15.1-f6 (including) 15.1-f6 (including)
Junos Juniper 15.1-f6-s1 (including) 15.1-f6-s1 (including)
Junos Juniper 15.1-f6-s10 (including) 15.1-f6-s10 (including)
Junos Juniper 15.1-f6-s12 (including) 15.1-f6-s12 (including)
Junos Juniper 15.1-f6-s2 (including) 15.1-f6-s2 (including)
Junos Juniper 15.1-f6-s3 (including) 15.1-f6-s3 (including)
Junos Juniper 15.1-f6-s4 (including) 15.1-f6-s4 (including)
Junos Juniper 15.1-f6-s5 (including) 15.1-f6-s5 (including)
Junos Juniper 15.1-f6-s6 (including) 15.1-f6-s6 (including)
Junos Juniper 15.1-f6-s7 (including) 15.1-f6-s7 (including)
Junos Juniper 15.1-f6-s8 (including) 15.1-f6-s8 (including)
Junos Juniper 15.1-f6-s9 (including) 15.1-f6-s9 (including)
Junos Juniper 15.1-f7 (including) 15.1-f7 (including)
Junos Juniper 15.1-r (including) 15.1-r (including)
Junos Juniper 15.1-r1 (including) 15.1-r1 (including)
Junos Juniper 15.1-r2 (including) 15.1-r2 (including)
Junos Juniper 15.1-r3 (including) 15.1-r3 (including)
Junos Juniper 15.1-r4 (including) 15.1-r4 (including)
Junos Juniper 15.1-r4-s7 (including) 15.1-r4-s7 (including)
Junos Juniper 15.1-r4-s8 (including) 15.1-r4-s8 (including)
Junos Juniper 15.1-r4-s9 (including) 15.1-r4-s9 (including)
Junos Juniper 15.1-r5 (including) 15.1-r5 (including)
Junos Juniper 15.1-r5-s1 (including) 15.1-r5-s1 (including)
Junos Juniper 15.1-r5-s3 (including) 15.1-r5-s3 (including)
Junos Juniper 15.1-r5-s5 (including) 15.1-r5-s5 (including)
Junos Juniper 15.1-r5-s6 (including) 15.1-r5-s6 (including)
Junos Juniper 15.1-r6 (including) 15.1-r6 (including)
Junos Juniper 15.1-r6-s1 (including) 15.1-r6-s1 (including)
Junos Juniper 15.1-r6-s2 (including) 15.1-r6-s2 (including)
Junos Juniper 15.1-r6-s3 (including) 15.1-r6-s3 (including)
Junos Juniper 15.1-r6-s4 (including) 15.1-r6-s4 (including)
Junos Juniper 15.1-r6-s6 (including) 15.1-r6-s6 (including)
Junos Juniper 15.1-r7 (including) 15.1-r7 (including)
Junos Juniper 15.1-r7-s1 (including) 15.1-r7-s1 (including)
Junos Juniper 15.1-r7-s2 (including) 15.1-r7-s2 (including)
Junos Juniper 15.1-r7-s3 (including) 15.1-r7-s3 (including)
Junos Juniper 15.1-r7-s4 (including) 15.1-r7-s4 (including)
Junos Juniper 15.1-r7-s5 (including) 15.1-r7-s5 (including)
Junos Juniper 15.1-r7-s6 (including) 15.1-r7-s6 (including)
Junos Juniper 15.1-r7-s7 (including) 15.1-r7-s7 (including)
Junos Juniper 15.1-r7-s8 (including) 15.1-r7-s8 (including)
Junos Juniper 17.3 (including) 17.3 (including)
Junos Juniper 17.3-r1 (including) 17.3-r1 (including)
Junos Juniper 17.3-r1-s1 (including) 17.3-r1-s1 (including)
Junos Juniper 17.3-r1-s4 (including) 17.3-r1-s4 (including)
Junos Juniper 17.3-r2 (including) 17.3-r2 (including)
Junos Juniper 17.3-r2-s1 (including) 17.3-r2-s1 (including)
Junos Juniper 17.3-r2-s2 (including) 17.3-r2-s2 (including)
Junos Juniper 17.3-r2-s3 (including) 17.3-r2-s3 (including)
Junos Juniper 17.3-r2-s4 (including) 17.3-r2-s4 (including)
Junos Juniper 17.3-r2-s5 (including) 17.3-r2-s5 (including)
Junos Juniper 17.3-r3 (including) 17.3-r3 (including)
Junos Juniper 17.3-r3-s1 (including) 17.3-r3-s1 (including)
Junos Juniper 17.3-r3-s10 (including) 17.3-r3-s10 (including)
Junos Juniper 17.3-r3-s11 (including) 17.3-r3-s11 (including)
Junos Juniper 17.3-r3-s2 (including) 17.3-r3-s2 (including)
Junos Juniper 17.3-r3-s3 (including) 17.3-r3-s3 (including)
Junos Juniper 17.3-r3-s4 (including) 17.3-r3-s4 (including)
Junos Juniper 17.3-r3-s5 (including) 17.3-r3-s5 (including)
Junos Juniper 17.3-r3-s6 (including) 17.3-r3-s6 (including)
Junos Juniper 17.3-r3-s7 (including) 17.3-r3-s7 (including)
Junos Juniper 17.3-r3-s8 (including) 17.3-r3-s8 (including)
Junos Juniper 17.3-r3-s9 (including) 17.3-r3-s9 (including)
Junos Juniper 17.4 (including) 17.4 (including)
Junos Juniper 17.4-r1 (including) 17.4-r1 (including)
Junos Juniper 17.4-r1-s1 (including) 17.4-r1-s1 (including)
Junos Juniper 17.4-r1-s2 (including) 17.4-r1-s2 (including)
Junos Juniper 17.4-r1-s3 (including) 17.4-r1-s3 (including)
Junos Juniper 17.4-r1-s4 (including) 17.4-r1-s4 (including)
Junos Juniper 17.4-r1-s5 (including) 17.4-r1-s5 (including)
Junos Juniper 17.4-r1-s6 (including) 17.4-r1-s6 (including)
Junos Juniper 17.4-r1-s7 (including) 17.4-r1-s7 (including)
Junos Juniper 17.4-r2 (including) 17.4-r2 (including)
Junos Juniper 17.4-r2-s1 (including) 17.4-r2-s1 (including)
Junos Juniper 17.4-r2-s10 (including) 17.4-r2-s10 (including)
Junos Juniper 17.4-r2-s11 (including) 17.4-r2-s11 (including)
Junos Juniper 17.4-r2-s12 (including) 17.4-r2-s12 (including)
Junos Juniper 17.4-r2-s2 (including) 17.4-r2-s2 (including)
Junos Juniper 17.4-r2-s3 (including) 17.4-r2-s3 (including)
Junos Juniper 17.4-r2-s4 (including) 17.4-r2-s4 (including)
Junos Juniper 17.4-r2-s5 (including) 17.4-r2-s5 (including)
Junos Juniper 17.4-r2-s6 (including) 17.4-r2-s6 (including)
Junos Juniper 17.4-r2-s7 (including) 17.4-r2-s7 (including)
Junos Juniper 17.4-r2-s8 (including) 17.4-r2-s8 (including)
Junos Juniper 17.4-r2-s9 (including) 17.4-r2-s9 (including)
Junos Juniper 17.4-r3 (including) 17.4-r3 (including)
Junos Juniper 17.4-r3-s1 (including) 17.4-r3-s1 (including)
Junos Juniper 17.4-r3-s2 (including) 17.4-r3-s2 (including)
Junos Juniper 17.4-r3-s3 (including) 17.4-r3-s3 (including)
Junos Juniper 17.4-r3-s4 (including) 17.4-r3-s4 (including)
Junos Juniper 18.1 (including) 18.1 (including)
Junos Juniper 18.1-r1 (including) 18.1-r1 (including)
Junos Juniper 18.1-r2 (including) 18.1-r2 (including)
Junos Juniper 18.1-r2-s1 (including) 18.1-r2-s1 (including)
Junos Juniper 18.1-r2-s2 (including) 18.1-r2-s2 (including)
Junos Juniper 18.1-r2-s4 (including) 18.1-r2-s4 (including)
Junos Juniper 18.1-r3 (including) 18.1-r3 (including)
Junos Juniper 18.1-r3-s1 (including) 18.1-r3-s1 (including)
Junos Juniper 18.1-r3-s10 (including) 18.1-r3-s10 (including)
Junos Juniper 18.1-r3-s11 (including) 18.1-r3-s11 (including)
Junos Juniper 18.1-r3-s12 (including) 18.1-r3-s12 (including)
Junos Juniper 18.1-r3-s2 (including) 18.1-r3-s2 (including)
Junos Juniper 18.1-r3-s3 (including) 18.1-r3-s3 (including)
Junos Juniper 18.1-r3-s4 (including) 18.1-r3-s4 (including)
Junos Juniper 18.1-r3-s5 (including) 18.1-r3-s5 (including)
Junos Juniper 18.1-r3-s6 (including) 18.1-r3-s6 (including)
Junos Juniper 18.1-r3-s7 (including) 18.1-r3-s7 (including)
Junos Juniper 18.1-r3-s8 (including) 18.1-r3-s8 (including)
Junos Juniper 18.1-r3-s9 (including) 18.1-r3-s9 (including)
Junos Juniper 18.2 (including) 18.2 (including)
Junos Juniper 18.2-r1 (including) 18.2-r1 (including)
Junos Juniper 18.2-r1-s2 (including) 18.2-r1-s2 (including)
Junos Juniper 18.2-r1-s3 (including) 18.2-r1-s3 (including)
Junos Juniper 18.2-r1-s4 (including) 18.2-r1-s4 (including)
Junos Juniper 18.2-r1-s5 (including) 18.2-r1-s5 (including)
Junos Juniper 18.2-r2 (including) 18.2-r2 (including)
Junos Juniper 18.2-r2-s1 (including) 18.2-r2-s1 (including)
Junos Juniper 18.2-r2-s2 (including) 18.2-r2-s2 (including)
Junos Juniper 18.2-r2-s3 (including) 18.2-r2-s3 (including)
Junos Juniper 18.2-r2-s4 (including) 18.2-r2-s4 (including)
Junos Juniper 18.2-r2-s5 (including) 18.2-r2-s5 (including)
Junos Juniper 18.2-r2-s6 (including) 18.2-r2-s6 (including)
Junos Juniper 18.2-r2-s7 (including) 18.2-r2-s7 (including)
Junos Juniper 18.2-r3 (including) 18.2-r3 (including)
Junos Juniper 18.2-r3-s1 (including) 18.2-r3-s1 (including)
Junos Juniper 18.2-r3-s2 (including) 18.2-r3-s2 (including)
Junos Juniper 18.2-r3-s3 (including) 18.2-r3-s3 (including)
Junos Juniper 18.2-r3-s4 (including) 18.2-r3-s4 (including)
Junos Juniper 18.2-r3-s5 (including) 18.2-r3-s5 (including)
Junos Juniper 18.2-r3-s6 (including) 18.2-r3-s6 (including)
Junos Juniper 18.2-r3-s7 (including) 18.2-r3-s7 (including)
Junos Juniper 18.3 (including) 18.3 (including)
Junos Juniper 18.3-r1 (including) 18.3-r1 (including)
Junos Juniper 18.3-r1-s1 (including) 18.3-r1-s1 (including)
Junos Juniper 18.3-r1-s2 (including) 18.3-r1-s2 (including)
Junos Juniper 18.3-r1-s3 (including) 18.3-r1-s3 (including)
Junos Juniper 18.3-r1-s4 (including) 18.3-r1-s4 (including)
Junos Juniper 18.3-r1-s5 (including) 18.3-r1-s5 (including)
Junos Juniper 18.3-r1-s6 (including) 18.3-r1-s6 (including)
Junos Juniper 18.3-r2 (including) 18.3-r2 (including)
Junos Juniper 18.3-r2-s1 (including) 18.3-r2-s1 (including)
Junos Juniper 18.3-r2-s2 (including) 18.3-r2-s2 (including)
Junos Juniper 18.3-r2-s3 (including) 18.3-r2-s3 (including)
Junos Juniper 18.3-r2-s4 (including) 18.3-r2-s4 (including)
Junos Juniper 18.3-r3 (including) 18.3-r3 (including)
Junos Juniper 18.3-r3-s1 (including) 18.3-r3-s1 (including)
Junos Juniper 18.3-r3-s2 (including) 18.3-r3-s2 (including)
Junos Juniper 18.3-r3-s3 (including) 18.3-r3-s3 (including)
Junos Juniper 18.3-r3-s4 (including) 18.3-r3-s4 (including)
Junos Juniper 18.4 (including) 18.4 (including)
Junos Juniper 18.4-r1 (including) 18.4-r1 (including)
Junos Juniper 18.4-r1-s1 (including) 18.4-r1-s1 (including)
Junos Juniper 18.4-r1-s2 (including) 18.4-r1-s2 (including)
Junos Juniper 18.4-r1-s3 (including) 18.4-r1-s3 (including)
Junos Juniper 18.4-r1-s4 (including) 18.4-r1-s4 (including)
Junos Juniper 18.4-r1-s5 (including) 18.4-r1-s5 (including)
Junos Juniper 18.4-r1-s6 (including) 18.4-r1-s6 (including)
Junos Juniper 18.4-r1-s7 (including) 18.4-r1-s7 (including)
Junos Juniper 18.4-r2 (including) 18.4-r2 (including)
Junos Juniper 18.4-r2-s1 (including) 18.4-r2-s1 (including)
Junos Juniper 18.4-r2-s2 (including) 18.4-r2-s2 (including)
Junos Juniper 18.4-r2-s3 (including) 18.4-r2-s3 (including)
Junos Juniper 18.4-r2-s4 (including) 18.4-r2-s4 (including)
Junos Juniper 18.4-r2-s5 (including) 18.4-r2-s5 (including)
Junos Juniper 18.4-r2-s6 (including) 18.4-r2-s6 (including)
Junos Juniper 18.4-r2-s7 (including) 18.4-r2-s7 (including)
Junos Juniper 18.4-r2-s8 (including) 18.4-r2-s8 (including)
Junos Juniper 18.4-r3 (including) 18.4-r3 (including)
Junos Juniper 18.4-r3-s1 (including) 18.4-r3-s1 (including)
Junos Juniper 18.4-r3-s2 (including) 18.4-r3-s2 (including)
Junos Juniper 18.4-r3-s3 (including) 18.4-r3-s3 (including)
Junos Juniper 18.4-r3-s4 (including) 18.4-r3-s4 (including)
Junos Juniper 18.4-r3-s5 (including) 18.4-r3-s5 (including)
Junos Juniper 18.4-r3-s6 (including) 18.4-r3-s6 (including)
Junos Juniper 18.4-r3-s7 (including) 18.4-r3-s7 (including)
Junos Juniper 18.4-r3-s8 (including) 18.4-r3-s8 (including)
Junos Juniper 19.1 (including) 19.1 (including)
Junos Juniper 19.1-r1 (including) 19.1-r1 (including)
Junos Juniper 19.1-r1-s1 (including) 19.1-r1-s1 (including)
Junos Juniper 19.1-r1-s2 (including) 19.1-r1-s2 (including)
Junos Juniper 19.1-r1-s3 (including) 19.1-r1-s3 (including)
Junos Juniper 19.1-r1-s4 (including) 19.1-r1-s4 (including)
Junos Juniper 19.1-r1-s5 (including) 19.1-r1-s5 (including)
Junos Juniper 19.1-r1-s6 (including) 19.1-r1-s6 (including)
Junos Juniper 19.1-r2 (including) 19.1-r2 (including)
Junos Juniper 19.1-r2-s1 (including) 19.1-r2-s1 (including)
Junos Juniper 19.1-r2-s2 (including) 19.1-r2-s2 (including)
Junos Juniper 19.1-r3 (including) 19.1-r3 (including)
Junos Juniper 19.1-r3-s1 (including) 19.1-r3-s1 (including)
Junos Juniper 19.1-r3-s2 (including) 19.1-r3-s2 (including)
Junos Juniper 19.1-r3-s3 (including) 19.1-r3-s3 (including)
Junos Juniper 19.1-r3-s4 (including) 19.1-r3-s4 (including)
Junos Juniper 19.1-r3-s5 (including) 19.1-r3-s5 (including)
Junos Juniper 19.2 (including) 19.2 (including)
Junos Juniper 19.2-r1 (including) 19.2-r1 (including)
Junos Juniper 19.2-r1-s1 (including) 19.2-r1-s1 (including)
Junos Juniper 19.2-r1-s2 (including) 19.2-r1-s2 (including)
Junos Juniper 19.2-r1-s3 (including) 19.2-r1-s3 (including)
Junos Juniper 19.2-r1-s4 (including) 19.2-r1-s4 (including)
Junos Juniper 19.2-r1-s5 (including) 19.2-r1-s5 (including)
Junos Juniper 19.2-r1-s6 (including) 19.2-r1-s6 (including)
Junos Juniper 19.2-r3-s3 (including) 19.2-r3-s3 (including)
Junos Juniper 19.3 (including) 19.3 (including)
Junos Juniper 19.3-r1 (including) 19.3-r1 (including)
Junos Juniper 19.3-r1-s1 (including) 19.3-r1-s1 (including)
Junos Juniper 19.3-r2 (including) 19.3-r2 (including)
Junos Juniper 19.3-r2-s1 (including) 19.3-r2-s1 (including)
Junos Juniper 19.3-r2-s2 (including) 19.3-r2-s2 (including)
Junos Juniper 19.3-r2-s3 (including) 19.3-r2-s3 (including)
Junos Juniper 19.3-r2-s4 (including) 19.3-r2-s4 (including)
Junos Juniper 19.3-r2-s5 (including) 19.3-r2-s5 (including)
Junos Juniper 19.3-r3-s3 (including) 19.3-r3-s3 (including)
Junos Juniper 19.4-r1 (including) 19.4-r1 (including)
Junos Juniper 19.4-r1-s1 (including) 19.4-r1-s1 (including)
Junos Juniper 19.4-r1-s2 (including) 19.4-r1-s2 (including)
Junos Juniper 19.4-r1-s3 (including) 19.4-r1-s3 (including)
Junos Juniper 19.4-r1-s4 (including) 19.4-r1-s4 (including)
Junos Juniper 19.4-r2 (including) 19.4-r2 (including)
Junos Juniper 19.4-r2-s1 (including) 19.4-r2-s1 (including)
Junos Juniper 19.4-r2-s2 (including) 19.4-r2-s2 (including)
Junos Juniper 19.4-r2-s3 (including) 19.4-r2-s3 (including)
Junos Juniper 19.4-r2-s4 (including) 19.4-r2-s4 (including)
Junos Juniper 19.4-r3 (including) 19.4-r3 (including)
Junos Juniper 19.4-r3-s1 (including) 19.4-r3-s1 (including)
Junos Juniper 19.4-r3-s2 (including) 19.4-r3-s2 (including)
Junos Juniper 20.1-r1 (including) 20.1-r1 (including)
Junos Juniper 20.1-r1-s1 (including) 20.1-r1-s1 (including)
Junos Juniper 20.1-r1-s2 (including) 20.1-r1-s2 (including)
Junos Juniper 20.1-r1-s3 (including) 20.1-r1-s3 (including)
Junos Juniper 20.1-r1-s4 (including) 20.1-r1-s4 (including)
Junos Juniper 20.1-r2 (including) 20.1-r2 (including)
Junos Juniper 20.1-r2-s1 (including) 20.1-r2-s1 (including)
Junos Juniper 20.1-r2-s2 (including) 20.1-r2-s2 (including)
Junos Juniper 20.2-r1 (including) 20.2-r1 (including)
Junos Juniper 20.2-r1-s1 (including) 20.2-r1-s1 (including)
Junos Juniper 20.2-r1-s2 (including) 20.2-r1-s2 (including)
Junos Juniper 20.2-r1-s3 (including) 20.2-r1-s3 (including)
Junos Juniper 20.2-r2 (including) 20.2-r2 (including)
Junos Juniper 20.2-r2-s1 (including) 20.2-r2-s1 (including)
Junos Juniper 20.2-r2-s2 (including) 20.2-r2-s2 (including)
Junos Juniper 20.2-r2-s3 (including) 20.2-r2-s3 (including)
Junos Juniper 20.2-r3 (including) 20.2-r3 (including)
Junos Juniper 20.3-r1 (including) 20.3-r1 (including)
Junos Juniper 20.3-r1-s1 (including) 20.3-r1-s1 (including)
Junos Juniper 20.3-r2 (including) 20.3-r2 (including)
Junos Juniper 20.3-r2-s1 (including) 20.3-r2-s1 (including)
Junos Juniper 20.4-r1 (including) 20.4-r1 (including)
Junos Juniper 20.4-r1-s1 (including) 20.4-r1-s1 (including)
Junos Juniper 20.4-r2 (including) 20.4-r2 (including)
Junos Juniper 20.4-r2-s1 (including) 20.4-r2-s1 (including)
Junos Juniper 21.1-r1 (including) 21.1-r1 (including)
Junos Juniper 21.1-r1-s1 (including) 21.1-r1-s1 (including)

Potential Mitigations

References