Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2018-5506
In F5 BIG-IP 13.0.0, 12.1.0-12.1.2, 11.6.1, 11.5.1-11.5.5, or 11.2.1 the Apache modules apache_auth_token_mod and mod_auth_f5_auth_token.cpp allow possible unauthenticated bruteforce on the em_server_ip authorization parameter to obtain which SSL client certificates used for mutual authentication between BIG-IQ or Enterprise Manager (EM) and managed BIG-IP devices.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Advanced Firewall Manager — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Analytics — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Application Acceleration Manager — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Application Security Manager — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Domain Name System — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Edge Gateway — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Global Traffic Manager — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Link Controller — versions 11.2.1, 11.6.1, 13.0.0
- F5 Big-Ip Local Traffic Manager — versions 11.2.1, 11.6.1, 13.0.0
References
- support.f5.com/csp/article/K65355492 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5506?
- CVE-2018-5506 is a critical-severity vulnerability in F5 Big-Ip Access Policy Manager. CVSS score: 9.8/10. Published 2018-04-13.
- How severe is CVE-2018-5506?
- Critical severity. CVSS v3 base score is 9.8 out of 10.