CVE-2026-20732

low F5
CVSS v3 Base Score
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score
0.1%
Exploitation probability in 30 days
Top 83% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Published: February 4, 2026 (98 days ago)
Last Modified: February 13, 2026
Vendor: F5

Description

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE

CWE-451

Affected Products

f5 big-ip access policy managerf5 big-ip advanced firewall managerf5 big-ip advanced web application firewallf5 big-ip analyticsf5 big-ip application acceleration managerf5 big-ip application security managerf5 big-ip application visibility and reportingf5 big-ip automation toolchainf5 big-ip carrier-grade natf5 big-ip container ingress services

References

🔗 my.f5.com