Vulnerability in F5 Big-Ip
CVE-2025-47148
When the BIG-IP system is configured as both a Security Assertion Markup Language (SAML) service provider (SP) and Identity Provider (IdP), with single logout (SLO) enabled on an access policy, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- F5 Big-Ip — versions 17.5.0, 17.1.0, 16.1.0
- F5 Big-Ip Access Policy Manager — versions 17.5.0
- F5 Big-Ip SSL Orchestrator — versions 17.5.0
Weakness classification (CWE)
References
- my.f5.com/manage/s/article/K000148816 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-47148?
- CVE-2025-47148 is a medium-severity vulnerability in F5 Big-Ip, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2025-10-15.
- How severe is CVE-2025-47148?
- Medium severity. CVSS v3 base score is 6.5 out of 10.