CVE Vulnerabilities

CVE-2020-5876

Cleartext Transmission of Sensitive Information

Published: Apr 30, 2020 | Modified: Nov 21, 2024
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

On BIG-IP 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, a race condition exists where mcpd and other processes may make unencrypted connection attempts to a new configuration sync peer. The race condition can occur when changing the ConfigSync IP address of a peer, adding a new peer, or when the Traffic Management Microkernel (TMM) first starts up.

Weakness

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Affected Software

Name Vendor Start Version End Version
Big-ip_access_policy_manager F5 11.6.1 (including) 11.6.5.1 (including)
Big-ip_access_policy_manager F5 12.1.0 (including) 12.1.5.1 (including)
Big-ip_access_policy_manager F5 13.1.0 (including) 13.1.3.3 (including)
Big-ip_access_policy_manager F5 14.1.0 (including) 14.1.2.3 (including)
Big-ip_access_policy_manager F5 15.0.0 (including) 15.1.0.3 (including)

Potential Mitigations

References