Riskcovery

CVE-2021-0297

Junos OS Evolved: BGP and LDP sessions with TCP MD5 authentication established with peers not configured for authentication

State
Published
Severity
6.5 Medium
Published
Oct 19, 2021
Updated
Sep 17, 2024
Reserved
Oct 27, 2020

Read the record on cve.org

Description

A vulnerability in the processing of TCP MD5 authentication in Juniper Networks Junos OS Evolved may allow a BGP or LDP session configured with MD5 authentication to succeed, even if the peer does not have TCP MD5 authentication enabled. This could lead to untrusted or unauthorized sessions being established, resulting in an impact on confidentiality or stability of the network. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.3R2-S1-EVO; 20.4 versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO. Juniper Networks Junos OS is not affected by this issue.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Njuniper

Weaknesses

  • CWE-755 Improper Handling of Exceptional Conditions

Affected Products

ProductVersions
Junos OS EvolvedJuniper Networks
  • before 20.3R2-S1-EVOAffected
  • 20.4 to before 20.4R2-EVOAffected
  • 21.1 to before 21.1R2-EVOAffected

References

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