CVE-2020-5947: f5 big-ip_access_policy_manager
Vulnerability summary
CVE-2020-5947 is a medium (CVSS 4.3) vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.
Timeline
- 19-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
F514 products
- big-ip_access_policy_manager≥ 15.0.0, < 15.1.2 | ≥ 16.0.0, < 16.0.1
- big-ip_advanced_firewall_manager≥ 15.0.0, < 15.1.2 | ≥ 16.0.0, < 16.0.1
- big-ip_advanced_web_application_firewall≥ 15.0.0, < 15.1.2 | ≥ 16.0.0, < 16.0.1
- big-ip_analytics≥ 15.0.0, < 15.1.2 | ≥ 16.0.0, < 16.0.1
- big-ip_application_acceleration_manager≥ 15.0.0, < 15.1.2 | ≥ 16.0.0, < 16.0.1
1 vendor · 14 products