CVE-2026-42408
What it is
When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of data exposure.
- Exploit odds
- 0.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.1% · EPSS, next 30 days
- Weakness
- CWE-312
- Record status
- Analyzed
Affected
- f5 big-ip Access Policy Manager ≤ 16.1.6
- f5 big-ip Advanced Firewall Manager ≤ 16.1.6
- f5 big-ip Advanced Web Application Firewall ≤ 16.1.6
- f5 big-ip Analytics ≤ 16.1.6
- f5 big-ip Application Acceleration Manager ≤ 16.1.6
- f5 big-ip Application Security Manager ≤ 16.1.6
- f5 big-ip Application Visibility And Reporting ≤ 16.1.6
- f5 big-ip Automation Toolchain ≤ 16.1.6
Attack profile CVSS 4.0 · 6.7
- Attack vector
- Local
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- High
- User interaction
- None
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/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
