Resource Exhaustion via SSL Profiles on Virtual Server (CVE-2025-21087)
CVE-2025-21087 Published on February 5, 2025
TMM Vulnerability
When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations are in use, undisclosed traffic can cause an increase in memory and CPU resource utilization.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Vulnerability Analysis
CVE-2025-21087 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2025-21087 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2025-21087
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Affected Versions
F5 BIG-IP:- Version 17.1.0 and below 17.1.2 is affected.
- Version 16.1.0 and below * is affected.
- Version 15.1.0 and below * is affected.
- Version 20.0.0 and below 20.1.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.