Vulnerability in F5 Big-Ip Advanced Firewall Manager
CVE-2017-6143
X509 certificate verification was not correctly implemented in the IP Intelligence Subscription and IP Intelligence feed-list features, and thus the remote server's identity is not properly validated in F5 BIG-IP 12.0.0-12.1.2, 11.6.0-11.6.2, or 11.5.0-11.5.5.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
Affected products
- F5 Big-Ip Advanced Firewall Manager
- F5 Big-Ip Application Security Manager
- F5 Networks, Inc. Big-Ip (Afm, Asm) — versions 11.6.0-11.6.2, 11.5.0-11.5.5, 12.0.0-12.1.2
Weakness classification (CWE)
References
- support.f5.com/csp/article/K11464209 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6143?
- CVE-2017-6143 is a medium-severity vulnerability in F5 Big-Ip Advanced Firewall Manager, classified under Improper Certificate Validation. CVSS score: 5.4/10. Published 2018-04-13.
- How severe is CVE-2017-6143?
- Medium severity. CVSS v3 base score is 5.4 out of 10.