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CVE-2021-0297

CVE information

Published

2 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

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..

CVSSv2.0 Score

Severity
Medium
Base Score
6.4/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
4.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Medium
Base Score
6.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
2.5/10
Confidentiality Impact
Low
Availability Impact
None
Integrity Impact
Low
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:juniper:junos_os_evolved:20.3:r1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:juniper:junos_os_evolved:20.3:r1-s1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:juniper:junos_os_evolved:20.3:r2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:juniper:junos_os_evolved:21.1:r1:*:*:*:*:*:*
  Yes
- -