CVE-2025-20029

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:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
Low
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

Command Injection 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

Command injection vulnerability exists in iControl REST and BIG-IP TMOS Shell (tmsh) save command, which may allow an authenticated attacker to execute arbitrary system commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Analysis

F5 BIG-IP contains an authenticated command injection in the iControl REST API and TMOS Shell (tmsh) save command. Authenticated attackers can inject system commands through crafted save operations, executing arbitrary code on the BIG-IP appliance which typically handles load balancing and SSL termination for critical application infrastructure.

Technical Context

The tmsh save command processes user-supplied parameters without adequate sanitization before passing them to underlying system commands. An authenticated user with access to iControl REST or tmsh can inject shell metacharacters that execute arbitrary commands. BIG-IP appliances run a modified Linux OS and the exploitation context provides access to TLS private keys, configuration secrets, and network traffic.

Affected Products

['F5 BIG-IP (multiple versions, EoTS versions not evaluated)']

Remediation

Apply the latest F5 security hotfix. Restrict iControl REST access to management networks only. Implement multi-factor authentication for BIG-IP admin access. Monitor tmsh command logs for unusual save operations. Rotate TLS certificates if compromise is suspected.

Priority Score

110
Low Medium High Critical
KEV: 0
EPSS: +66.2
CVSS: +44
POC: 0

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CVE-2025-20029 vulnerability details – vuln.today
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