CVE-2021-0297 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Juniper	Junos Os Evolved	20.3

Related Weaknesses (CWE)

CWE-755

References

https://kb.juniper.net/JSA11211Vendor Advisory
https://kb.juniper.net/JSA11211Vendor Advisory

FAQ

What is CVE-2021-0297?

CVE-2021-0297 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2021-0297?

CVE-2021-0297 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-0297?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos Os Evolved.