Skip to content
fr Sign in
3.1 Low

CVE-2026-63020 A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error…

Description

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages  Impact: An attacker may trick authenticated BIG-IP users into accessing malicious links and reflect a spoofed error message in the victim's BIG-IP Configuration utility web browser session. This is a control plane issue; there is no data plane exposure. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products and versions

Product Affected versions Fixed in
BIG-IP 21.1 21.1.0 → < 21.1.0.1 21.1.0.1
BIG-IP 21.0 21.0.0 → < 21.0.0.3 21.0.0.3
BIG-IP 17.5 17.5.0 → < 17.5.1.8 17.5.1.8
BIG-IP 17.1 17.1.0 → < 17.1.3.4 17.1.3.4

References

Timeline

  1. Published
  2. Last modified

Other CVEs of BIG-IP

The 259 CVEs of BIG-IP →
CVE-2026-94127 F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability 9.8 Critical CVE-2026-66842 BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts… 8.8 High CVE-2026-59762 When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory… 7.5 High CVE-2026-40423 When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel… 7.5 High
Track this CVE