CVE-2020-5897: f5 big-ip_access_policy_manager Use After Free
CVSS: 8.8v3.1HighModified
Published 12-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-5897 is a high (CVSS 8.8) Use After Free vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.5% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.23%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In versions 7.1.5-7.1.9, there is use-after-free memory vulnerability in the BIG-IP Edge Client Windows ActiveX component.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.23%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.03 pp
From 1.20% on 18-09-2026
18-09-202618-10-2026
EPSS score1.23%
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_access_policy_manager≥ 11.6.1, ≤ 11.6.5.1 | ≥ 12.1.0, ≤ 12.1.5.1 | ≥ 13.1.0, ≤ 13.1.3.3 | ≥ 14.1.0, ≤ 14.1.2.5 | ≥ 15.0.0, ≤ 15.1.0.3
- big-ip_access_policy_manager_client≥ 7.1.5, ≤ 7.1.9
1 vendor · 2 products