CVE-2021-0297

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductJuniper Junos Os Evolved
PublishedOct 19, 2021
First seenOct 19, 2021
Weakness typeCWE-755CWE-755

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
juniper junos_os_evolved20.3, 20.4, 21.1—

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