CVE-2025-21087

TMM Vulnerability

HIGH
7.5
CVSS Score
Published: February 5, 2025 at 05:30 PM UTC
Updated: June 17, 2026 at 08:42 AM UTC
23 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

Using BIG-IP by F5?

Get instant alerts when new vulnerabilities affect BIG-IP - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2
15.1.0 ≤ v ≤ 15.1.1016.1.0 ≤ v < 16.1.617.1.0 ≤ v < 17.1.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHf5
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card