CVE-2026-63020 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://my.f5.com/manage/s/article/K000161728 | [email protected] | MitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-451 | User Interface (UI) Misrepresentation of Critical Information | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| f5 big-ip access policy manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip advanced firewall manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip advanced web application firewall | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip analytics | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip application acceleration manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip application security manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip application visibility and reporting | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip automation toolchain | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip carrier-grade nat | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip container ingress services | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip ddos hybrid defender | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip domain name system | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip edge gateway | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip fraud protection service | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip global traffic manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip link controller | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip local traffic manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip policy enforcement manager | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip ssl orchestrator | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip webaccelerator | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
| f5 big-ip websafe | >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 21.0.0, <= 21.1.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 15, 2026 | Initial Analysis | [email protected] |
| Sep 2, 2026 | CVE Modified | CISA-ADP |
| Sep 2, 2026 | New CVE Received | [email protected] |