CVE-2017-6143: f5 networks, inc. big-ip (afm, asm) Improper Certificate Validation
CVSS: 5.8v2.0MediumModified
Published 13-04-2018Last modified 16-09-2024
Vulnerability summary
CVE-2017-6143 is a medium (CVSS 5.8) Improper Certificate Validation vulnerability in f5 networks, inc. big-ip (afm, asm). EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.8% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v2.0 (NVD)EPSS score
0.42%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-04-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:NSourcesSingle source
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
-0.01 pp
From 0.43% on 20-09-2026
20-09-202620-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F52 products
- big-ip_advanced_firewall_manager≥ 11.5.1, ≤ 11.5.5 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.2
- big-ip_application_security_manager≥ 11.5.1, ≤ 11.5.5 | ≥ 11.6.1, ≤ 11.6.2 | > 12.1.0, ≤ 12.1.2
F5 networks, inc.1 product
- big-ip (afm, asm)12.0.0-12.1.2 | 11.6.0-11.6.2 | 11.5.0-11.5.5
2 vendors · 3 products