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.

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.

EPSS: 0.004 (29.2th percentile) — read the EPSS interpretation.

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.

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)

CWE-404 — Improper Resource Shutdown or Release

References

f5sirt@f5.com (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.