CVE-2025-47148 BIG-IP APM and SSL Orchestrator vulnerability
Attackers can cause memory exhaustion and denial of service on BIG-IP systems configured as SAML SP and IdP with single logout enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-47148?
CVE-2025-47148 is a high-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 15 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-404
Which versions are affected by CVE-2025-47148?
It affects 2 products.
Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Ssl Orchestrator.
How do I fix CVE-2025-47148?
No fix has been published for CVE-2025-47148 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-47148 being exploited?
There is no known exploitation of CVE-2025-47148 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Access Policy Manager
- CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass
- CVE-2022-1388 F5 BIG-IP Missing Authentication
- CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution
- CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution
Sources
Also known as GHSA-94mj-cc39-hffh.