CVE-2017-6142: f5 networks, inc. big-ip afm Improper Certificate Validation
CVSS: 5.8v2.0MediumModified
Published 19-01-2018Last modified 16-09-2024
Vulnerability summary
CVE-2017-6142 is a medium (CVSS 5.8) Improper Certificate Validation vulnerability in f5 networks, inc. big-ip afm. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.2% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v2.0 (NVD)EPSS score
0.40%
0%100%
Low · -0.24 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-01-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and thus did not properly validate the remote server's identity on certain versions of BIG-IP.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 4.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/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
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
-0.24 pp
From 0.64% on 21-09-2026
21-09-202621-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F51 product
- big-ip_advanced_firewall_manager≥ 11.6.0, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.2 | 13.0.0
F5 networks, inc.1 product
- big-ip afm13.0.0 | 12.1.0 - 12.1.2 | 11.6.0 - 11.6.2
2 vendors · 2 products