CVE-2025-21091

HIGH
2025-02-05 [email protected]
8.7
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:25 vuln.today
CVE Published
Feb 05, 2025 - 18:15 nvd
HIGH 8.7

Tags

Information Disclosure Big Ip Access Policy Manager Big Ip Advanced Firewall Manager Big Ip Advanced Web Application Firewall Big Ip Analytics Big Ip Application Acceleration Manager Big Ip Application Security Manager Big Ip Application Visibility And Reporting Big Ip Automation Toolchain Big Ip Carrier Grade Nat Big Ip Container Ingress Services Big Ip Ddos Hybrid Defender Big Ip Domain Name System Big Ip Edge Gateway Big Ip Fraud Protection Service Big Ip Global Traffic Manager Big Ip Link Controller Big Ip Local Traffic Manager Big Ip Policy Enforcement Manager Big Ip Ssl Orchestrator Big Ip Webaccelerator Big Ip Websafe

Description

When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Analysis

When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.

Affected Products

F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +44
POC: 0

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CVE-2025-21091 vulnerability details – vuln.today
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