CVE-2021-0297 — Improper Handling of Exceptional Conditions in Networks Junos OS Evolved

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources

Severity

6.5MEDIUMNVD

EPSS

0.2%

top 59.77%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Juniper Networks Junos OS Evolved Juniper Junos OS Evolved

Timeline

PublishedOct 19

Latest updateMay 24

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 20.4…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_os_evolvedunspecified — 20.3R2-S1-EVO+2

▶NVDjuniper/junos_os_evolved20.3, 20.4, 21.1+2

🔴Vulnerability Details

GHSA

GHSA-7wwm-2jv9-972x: 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 au↗2022-05-24

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CVEList

Junos OS Evolved: BGP and LDP sessions with TCP MD5 authentication established with peers not configured for authentication↗2021-10-19

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📋Vendor Advisories

Juniper

CVE-2021-0297: 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 au↗2021-10-19

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