Auth bypass in F5 Big-Ip Access Policy Manager
CVE-2019-6675
BIG-IP configurations using Active Directory, LDAP, or Client Certificate LDAP for management authentication with multiple servers are exposed to a vulnerability which allows an authentication bypass. This can result in a complete compromise of the system. This issue only impacts specific engineering hotfixes using the aforementioned authentication configuration. NOTE: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.0.3.0.79.6-ENG.iso, Hotfix-BIGIP-14.1.0.3.0.97.6-ENG.iso, Hotfix-BIGIP-14.1.0.3.0.99.6-ENG.iso, Hotfix-BIGIP-14.1.0.5.0.15.5-ENG.iso, Hotfix-BIGIP-14.1.0.5.0.36.5-ENG.iso, Hotfix-BIGIP-14.1.0.5.0.40.5-ENG.iso, Hotfix-BIGIP-14.1.0.6.0.11.9-ENG.iso, Hotfix-BIGIP-14.1.0.6.0.14.9-ENG.iso, Hotfix-BIGIP-14.1.0.6.0.68.9-ENG.iso, Hotfix-BIGIP-14.1.0.6.0.70.9-ENG.iso, Hotfix-BIGIP-14.1.2.0.11.37-ENG.iso, Hotfix-BIGIP-14.1.2.0.18.37-ENG.iso, Hotfix-BIGIP-14.1.2.0.32.37-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.46.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.14.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.16.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.34.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.97.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.99.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.105.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.111.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.115.4-ENG.iso, Hotfix-BIGIP-14.1.2.1.0.122.4-ENG.iso, Hotfix-BIGIP-15.0.1.0.33.11-ENG.iso, Hotfix-BIGIP-15.0.1.0.48.11-ENG.iso
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Advanced Firewall Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Analytics — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Application Acceleration Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Application Security Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Domain Name System — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Fraud Protection Service — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Global Traffic Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Link Controller — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
- F5 Big-Ip Local Traffic Manager — versions 14.1.0.3.0.79.6-eng_hotfix, 14.1.0.3.0.97.6-eng_hotfix, 14.1.0.3.0.99.6-eng_hotfix
Weakness classification (CWE)
References
- support.f5.com/csp/article/K55655944
- support.f5.com/csp/article/K55655944 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6675?
- CVE-2019-6675 is a critical-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-11-26.
- How severe is CVE-2019-6675?
- Critical severity. CVSS v3 base score is 9.8 out of 10.