CVE Vulnerabilities

CVE-2021-0223

Improper Privilege Management

Published: Jan 15, 2021 | Modified: Sep 20, 2022
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run telnetd.real with root privileges. This issue affects Juniper Networks Junos OS: all versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R2.

Weakness

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

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-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-s7 (including) 15.1-f6-s7 (including)
Junos Juniper 15.1-f7 (including) 15.1-f7 (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-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-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-s1 (including) 17.3-r1-s1 (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-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-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-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 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-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-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-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-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 18.3 (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-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 18.4 (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-s5 (including) 18.4-r1-s5 (including)
Junos Juniper 18.4-r1-s6 (including) 18.4-r1-s6 (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-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 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-r2 (including) 19.1-r2 (including)
Junos Juniper 19.1-r2-s1 (including) 19.1-r2-s1 (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 19.2 (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-r3 (including) 19.2-r3 (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-r3 (including) 19.3-r3 (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-r2 (including) 19.4-r2 (including)
Junos Juniper 19.4-r2-s1 (including) 19.4-r2-s1 (including)
Junos Juniper 19.4-r3 (including) 19.4-r3 (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 20.2-r1 (including) 20.2-r1 (including)

Potential Mitigations

References