CVE Vulnerabilities

CVE-2021-0295

Incorrect Comparison

Published: Jul 15, 2021 | Modified: Nov 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
2.9 LOW
AV:A/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) of Juniper Networks Junos OS on the QFX10K Series switches allows an attacker to trigger a packet forwarding loop, leading to a partial Denial of Service (DoS). The issue is caused by DVMRP packets looping on a multi-homed Ethernet Segment Identifier (ESI) when VXLAN is configured. DVMRP packets received on a multi-homed ESI are sent to the peer, and then incorrectly forwarded out the same ESI, violating the split horizon rule. This issue only affects QFX10K Series switches, including the QFX10002, QFX10008, and QFX10016. Other products and platforms are unaffected by this vulnerability. This issue affects Juniper Networks Junos OS on QFX10K Series: 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 version 18.2R1 and later versions; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S9, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R1-S7, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2.

Weakness

The product compares two entities in a security-relevant context, but the comparison is incorrect.

Affected Software

NameVendorStart VersionEnd Version
JunosJuniper17.3 (including)17.3 (including)
JunosJuniper17.3-r1 (including)17.3-r1 (including)
JunosJuniper17.3-r1-s1 (including)17.3-r1-s1 (including)
JunosJuniper17.3-r1-s4 (including)17.3-r1-s4 (including)
JunosJuniper17.3-r2 (including)17.3-r2 (including)
JunosJuniper17.3-r2-s1 (including)17.3-r2-s1 (including)
JunosJuniper17.3-r2-s2 (including)17.3-r2-s2 (including)
JunosJuniper17.3-r2-s3 (including)17.3-r2-s3 (including)
JunosJuniper17.3-r2-s4 (including)17.3-r2-s4 (including)
JunosJuniper17.3-r2-s5 (including)17.3-r2-s5 (including)
JunosJuniper17.3-r3 (including)17.3-r3 (including)
JunosJuniper17.3-r3-s1 (including)17.3-r3-s1 (including)
JunosJuniper17.3-r3-s10 (including)17.3-r3-s10 (including)
JunosJuniper17.3-r3-s11 (including)17.3-r3-s11 (including)
JunosJuniper17.3-r3-s2 (including)17.3-r3-s2 (including)
JunosJuniper17.3-r3-s3 (including)17.3-r3-s3 (including)
JunosJuniper17.3-r3-s4 (including)17.3-r3-s4 (including)
JunosJuniper17.3-r3-s5 (including)17.3-r3-s5 (including)
JunosJuniper17.3-r3-s6 (including)17.3-r3-s6 (including)
JunosJuniper17.3-r3-s7 (including)17.3-r3-s7 (including)
JunosJuniper17.3-r3-s8 (including)17.3-r3-s8 (including)
JunosJuniper17.3-r3-s9 (including)17.3-r3-s9 (including)
JunosJuniper17.4 (including)17.4 (including)
JunosJuniper17.4-r1 (including)17.4-r1 (including)
JunosJuniper17.4-r1-s1 (including)17.4-r1-s1 (including)
JunosJuniper17.4-r1-s2 (including)17.4-r1-s2 (including)
JunosJuniper17.4-r1-s3 (including)17.4-r1-s3 (including)
JunosJuniper17.4-r1-s4 (including)17.4-r1-s4 (including)
JunosJuniper17.4-r1-s5 (including)17.4-r1-s5 (including)
JunosJuniper17.4-r1-s6 (including)17.4-r1-s6 (including)
JunosJuniper17.4-r1-s7 (including)17.4-r1-s7 (including)
JunosJuniper17.4-r2 (including)17.4-r2 (including)
JunosJuniper17.4-r2-s1 (including)17.4-r2-s1 (including)
JunosJuniper17.4-r2-s10 (including)17.4-r2-s10 (including)
JunosJuniper17.4-r2-s11 (including)17.4-r2-s11 (including)
JunosJuniper17.4-r2-s12 (including)17.4-r2-s12 (including)
JunosJuniper17.4-r2-s2 (including)17.4-r2-s2 (including)
JunosJuniper17.4-r2-s3 (including)17.4-r2-s3 (including)
JunosJuniper17.4-r2-s4 (including)17.4-r2-s4 (including)
JunosJuniper17.4-r2-s5 (including)17.4-r2-s5 (including)
JunosJuniper17.4-r2-s6 (including)17.4-r2-s6 (including)
JunosJuniper17.4-r2-s7 (including)17.4-r2-s7 (including)
JunosJuniper17.4-r2-s8 (including)17.4-r2-s8 (including)
JunosJuniper17.4-r2-s9 (including)17.4-r2-s9 (including)
JunosJuniper17.4-r3 (including)17.4-r3 (including)
JunosJuniper17.4-r3-s1 (including)17.4-r3-s1 (including)
JunosJuniper17.4-r3-s2 (including)17.4-r3-s2 (including)
JunosJuniper17.4-r3-s3 (including)17.4-r3-s3 (including)
JunosJuniper17.4-r3-s4 (including)17.4-r3-s4 (including)
JunosJuniper18.1 (including)18.1 (including)
JunosJuniper18.1-r1 (including)18.1-r1 (including)
JunosJuniper18.1-r2 (including)18.1-r2 (including)
JunosJuniper18.1-r2-s1 (including)18.1-r2-s1 (including)
JunosJuniper18.1-r2-s2 (including)18.1-r2-s2 (including)
JunosJuniper18.1-r2-s4 (including)18.1-r2-s4 (including)
JunosJuniper18.1-r3 (including)18.1-r3 (including)
JunosJuniper18.1-r3-s1 (including)18.1-r3-s1 (including)
JunosJuniper18.1-r3-s10 (including)18.1-r3-s10 (including)
JunosJuniper18.1-r3-s11 (including)18.1-r3-s11 (including)
JunosJuniper18.1-r3-s12 (including)18.1-r3-s12 (including)
JunosJuniper18.1-r3-s2 (including)18.1-r3-s2 (including)
JunosJuniper18.1-r3-s3 (including)18.1-r3-s3 (including)
JunosJuniper18.1-r3-s4 (including)18.1-r3-s4 (including)
JunosJuniper18.1-r3-s5 (including)18.1-r3-s5 (including)
JunosJuniper18.1-r3-s6 (including)18.1-r3-s6 (including)
JunosJuniper18.1-r3-s7 (including)18.1-r3-s7 (including)
JunosJuniper18.1-r3-s8 (including)18.1-r3-s8 (including)
JunosJuniper18.1-r3-s9 (including)18.1-r3-s9 (including)
JunosJuniper18.2-r2 (including)18.2-r2 (including)
JunosJuniper18.2-r2-s1 (including)18.2-r2-s1 (including)
JunosJuniper18.2-r2-s2 (including)18.2-r2-s2 (including)
JunosJuniper18.2-r2-s3 (including)18.2-r2-s3 (including)
JunosJuniper18.2-r2-s4 (including)18.2-r2-s4 (including)
JunosJuniper18.2-r2-s5 (including)18.2-r2-s5 (including)
JunosJuniper18.2-r2-s6 (including)18.2-r2-s6 (including)
JunosJuniper18.2-r2-s7 (including)18.2-r2-s7 (including)
JunosJuniper18.2-r3 (including)18.2-r3 (including)
JunosJuniper18.2-r3-s1 (including)18.2-r3-s1 (including)
JunosJuniper18.2-r3-s2 (including)18.2-r3-s2 (including)
JunosJuniper18.2-r3-s3 (including)18.2-r3-s3 (including)
JunosJuniper18.2-r3-s4 (including)18.2-r3-s4 (including)
JunosJuniper18.2-r3-s5 (including)18.2-r3-s5 (including)
JunosJuniper18.2-r3-s6 (including)18.2-r3-s6 (including)
JunosJuniper18.2-r3-s7 (including)18.2-r3-s7 (including)
JunosJuniper18.3 (including)18.3 (including)
JunosJuniper18.3-r1 (including)18.3-r1 (including)
JunosJuniper18.3-r1-s1 (including)18.3-r1-s1 (including)
JunosJuniper18.3-r1-s2 (including)18.3-r1-s2 (including)
JunosJuniper18.3-r1-s3 (including)18.3-r1-s3 (including)
JunosJuniper18.3-r1-s4 (including)18.3-r1-s4 (including)
JunosJuniper18.3-r1-s5 (including)18.3-r1-s5 (including)
JunosJuniper18.3-r1-s6 (including)18.3-r1-s6 (including)
JunosJuniper18.3-r2 (including)18.3-r2 (including)
JunosJuniper18.3-r2-s1 (including)18.3-r2-s1 (including)
JunosJuniper18.3-r2-s2 (including)18.3-r2-s2 (including)
JunosJuniper18.3-r2-s3 (including)18.3-r2-s3 (including)
JunosJuniper18.3-r2-s4 (including)18.3-r2-s4 (including)
JunosJuniper18.3-r3 (including)18.3-r3 (including)
JunosJuniper18.3-r3-s1 (including)18.3-r3-s1 (including)
JunosJuniper18.3-r3-s2 (including)18.3-r3-s2 (including)
JunosJuniper18.3-r3-s3 (including)18.3-r3-s3 (including)
JunosJuniper18.3-r3-s4 (including)18.3-r3-s4 (including)
JunosJuniper18.4 (including)18.4 (including)
JunosJuniper18.4-r1 (including)18.4-r1 (including)
JunosJuniper18.4-r1-s1 (including)18.4-r1-s1 (including)
JunosJuniper18.4-r1-s2 (including)18.4-r1-s2 (including)
JunosJuniper18.4-r1-s3 (including)18.4-r1-s3 (including)
JunosJuniper18.4-r1-s4 (including)18.4-r1-s4 (including)
JunosJuniper18.4-r1-s5 (including)18.4-r1-s5 (including)
JunosJuniper18.4-r1-s6 (including)18.4-r1-s6 (including)
JunosJuniper18.4-r1-s7 (including)18.4-r1-s7 (including)
JunosJuniper18.4-r2 (including)18.4-r2 (including)
JunosJuniper18.4-r2-s1 (including)18.4-r2-s1 (including)
JunosJuniper18.4-r2-s2 (including)18.4-r2-s2 (including)
JunosJuniper18.4-r2-s3 (including)18.4-r2-s3 (including)
JunosJuniper18.4-r2-s4 (including)18.4-r2-s4 (including)
JunosJuniper18.4-r2-s5 (including)18.4-r2-s5 (including)
JunosJuniper18.4-r2-s6 (including)18.4-r2-s6 (including)
JunosJuniper18.4-r2-s7 (including)18.4-r2-s7 (including)
JunosJuniper18.4-r2-s8 (including)18.4-r2-s8 (including)
JunosJuniper18.4-r3 (including)18.4-r3 (including)
JunosJuniper18.4-r3-s1 (including)18.4-r3-s1 (including)
JunosJuniper18.4-r3-s2 (including)18.4-r3-s2 (including)
JunosJuniper18.4-r3-s3 (including)18.4-r3-s3 (including)
JunosJuniper18.4-r3-s4 (including)18.4-r3-s4 (including)
JunosJuniper18.4-r3-s5 (including)18.4-r3-s5 (including)
JunosJuniper18.4-r3-s6 (including)18.4-r3-s6 (including)
JunosJuniper18.4-r3-s7 (including)18.4-r3-s7 (including)
JunosJuniper19.1 (including)19.1 (including)
JunosJuniper19.1-r1 (including)19.1-r1 (including)
JunosJuniper19.1-r1-s1 (including)19.1-r1-s1 (including)
JunosJuniper19.1-r1-s2 (including)19.1-r1-s2 (including)
JunosJuniper19.1-r1-s3 (including)19.1-r1-s3 (including)
JunosJuniper19.1-r1-s4 (including)19.1-r1-s4 (including)
JunosJuniper19.1-r1-s5 (including)19.1-r1-s5 (including)
JunosJuniper19.1-r1-s6 (including)19.1-r1-s6 (including)
JunosJuniper19.1-r2 (including)19.1-r2 (including)
JunosJuniper19.1-r2-s1 (including)19.1-r2-s1 (including)
JunosJuniper19.1-r2-s2 (including)19.1-r2-s2 (including)
JunosJuniper19.1-r3 (including)19.1-r3 (including)
JunosJuniper19.1-r3-s1 (including)19.1-r3-s1 (including)
JunosJuniper19.1-r3-s2 (including)19.1-r3-s2 (including)
JunosJuniper19.1-r3-s3 (including)19.1-r3-s3 (including)
JunosJuniper19.1-r3-s4 (including)19.1-r3-s4 (including)
JunosJuniper19.2 (including)19.2 (including)
JunosJuniper19.2-r1 (including)19.2-r1 (including)
JunosJuniper19.2-r1-s1 (including)19.2-r1-s1 (including)
JunosJuniper19.2-r1-s2 (including)19.2-r1-s2 (including)
JunosJuniper19.2-r1-s3 (including)19.2-r1-s3 (including)
JunosJuniper19.2-r1-s4 (including)19.2-r1-s4 (including)
JunosJuniper19.2-r1-s5 (including)19.2-r1-s5 (including)
JunosJuniper19.2-r1-s6 (including)19.2-r1-s6 (including)
JunosJuniper19.2-r2 (including)19.2-r2 (including)
JunosJuniper19.2-r2-s1 (including)19.2-r2-s1 (including)
JunosJuniper19.2-r3 (including)19.2-r3 (including)
JunosJuniper19.2-r3-s1 (including)19.2-r3-s1 (including)
JunosJuniper19.3 (including)19.3 (including)
JunosJuniper19.3-r1 (including)19.3-r1 (including)
JunosJuniper19.3-r1-s1 (including)19.3-r1-s1 (including)
JunosJuniper19.3-r2 (including)19.3-r2 (including)
JunosJuniper19.3-r2-s1 (including)19.3-r2-s1 (including)
JunosJuniper19.3-r2-s2 (including)19.3-r2-s2 (including)
JunosJuniper19.3-r2-s3 (including)19.3-r2-s3 (including)
JunosJuniper19.3-r2-s4 (including)19.3-r2-s4 (including)
JunosJuniper19.3-r2-s5 (including)19.3-r2-s5 (including)
JunosJuniper19.3-r3 (including)19.3-r3 (including)
JunosJuniper19.3-r3-s1 (including)19.3-r3-s1 (including)
JunosJuniper19.4-r1 (including)19.4-r1 (including)
JunosJuniper19.4-r1-s1 (including)19.4-r1-s1 (including)
JunosJuniper19.4-r1-s2 (including)19.4-r1-s2 (including)
JunosJuniper19.4-r1-s3 (including)19.4-r1-s3 (including)
JunosJuniper19.4-r2 (including)19.4-r2 (including)
JunosJuniper19.4-r2-s1 (including)19.4-r2-s1 (including)
JunosJuniper19.4-r2-s2 (including)19.4-r2-s2 (including)
JunosJuniper19.4-r2-s3 (including)19.4-r2-s3 (including)
JunosJuniper19.4-r3 (including)19.4-r3 (including)
JunosJuniper19.4-r3-s1 (including)19.4-r3-s1 (including)
JunosJuniper19.4-r3-s2 (including)19.4-r3-s2 (including)
JunosJuniper20.1-r1 (including)20.1-r1 (including)
JunosJuniper20.1-r1-s1 (including)20.1-r1-s1 (including)
JunosJuniper20.1-r1-s2 (including)20.1-r1-s2 (including)
JunosJuniper20.1-r1-s3 (including)20.1-r1-s3 (including)
JunosJuniper20.1-r1-s4 (including)20.1-r1-s4 (including)
JunosJuniper20.1-r2 (including)20.1-r2 (including)
JunosJuniper20.1-r2-s1 (including)20.1-r2-s1 (including)
JunosJuniper20.2-r1 (including)20.2-r1 (including)
JunosJuniper20.2-r1-s1 (including)20.2-r1-s1 (including)
JunosJuniper20.2-r1-s2 (including)20.2-r1-s2 (including)
JunosJuniper20.2-r1-s3 (including)20.2-r1-s3 (including)
JunosJuniper20.2-r2 (including)20.2-r2 (including)
JunosJuniper20.2-r2-s1 (including)20.2-r2-s1 (including)
JunosJuniper20.2-r2-s2 (including)20.2-r2-s2 (including)
JunosJuniper20.2-r2-s3 (including)20.2-r2-s3 (including)
JunosJuniper20.3-r1 (including)20.3-r1 (including)
JunosJuniper20.3-r1-s1 (including)20.3-r1-s1 (including)
JunosJuniper20.3-r2 (including)20.3-r2 (including)
JunosJuniper20.3-r2-s1 (including)20.3-r2-s1 (including)
JunosJuniper20.4-r1 (including)20.4-r1 (including)
JunosJuniper20.4-r1-s1 (including)20.4-r1-s1 (including)

Extended Description

This Pillar covers several possibilities:

References