Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2020-5876
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- F5 Big-Ip Access Policy Manager
- F5 Big-Ip Advanced Firewall Manager
- F5 Big-Ip Analytics
- F5 Big-Ip Application Acceleration Manager
- F5 Big-Ip Application Security Manager
- F5 Big-Ip Domain Name System
- F5 Big-Ip Fraud Protection Service
- F5 Big-Ip Global Traffic Manager
- F5 Big-Ip Link Controller
- F5 Big-Ip Local Traffic Manager
Weakness classification (CWE)
References
- support.f5.com/csp/article/K32121038 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5876?
- CVE-2020-5876 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2020-04-30.
- How severe is CVE-2020-5876?
- High severity. CVSS v3 base score is 8.1 out of 10.