CVE-2020-5917: f5 big-ip_access_policy_manager Inadequate Encryption Strength
CVSS: 5.9v3.1MediumModified
Published 26-08-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-5917 is a medium (CVSS 5.9) Inadequate Encryption Strength vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.4% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2 and BIG-IQ versions 5.2.0-7.0.0, the host OpenSSH servers utilize keys of less than 2048 bits which are no longer considered secure.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 21-09-2026
21-09-202621-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F512 products
- big-ip_access_policy_manager≥ 11.6.1, ≤ 11.6.5 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, ≤ 13.1.3 | ≥ 14.1.0, < 14.1.2.4 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.5
- big-ip_advanced_firewall_manager≥ 11.6.1, ≤ 11.6.5 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, ≤ 13.1.3 | ≥ 14.1.0, < 14.1.2.4 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.5
- big-ip_analytics≥ 11.6.1, ≤ 11.6.5 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, ≤ 13.1.3 | ≥ 14.1.0, < 14.1.2.4 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.5
- big-ip_application_acceleration_manager≥ 11.6.1, ≤ 11.6.5 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, ≤ 13.1.3 | ≥ 14.1.0, < 14.1.2.4 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.5
- big-ip_application_security_manager≥ 11.6.1, ≤ 11.6.5 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, ≤ 13.1.3 | ≥ 14.1.0, < 14.1.2.4 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.5
1 vendor · 12 products