CVE-2026-63020
published 2026-09-02CVE-2026-63020: 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…
PriorityP413low3.1CVSS 3.1
AVNACHPRNUIRSUCNILAN
EPSS
0.23%
13.0th percentile
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
68 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | — | — |
| f5 | big-ip | >= 17.1.0 < 17.1.3.4 | 17.1.3.4 |
| f5 | big-ip | >= 17.5.0 < 17.5.1.8 | 17.5.1.8 |
| f5 | big-ip | >= 21.0.0 < 21.0.0.3 | 21.0.0.3 |
| f5 | big-ip | >= 21.1.0 < 21.1.0.1 | 21.1.0.1 |
| f5 | big-ip_access_policy_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_access_policy_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_access_policy_manager | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_advanced_firewall_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_advanced_firewall_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_advanced_firewall_manager | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_advanced_web_application_firewall | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_advanced_web_application_firewall | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_advanced_web_application_firewall | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_analytics | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_analytics | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_analytics | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_application_acceleration_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_application_acceleration_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_application_acceleration_manager | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_application_security_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_application_security_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_application_security_manager | 21.0.0 – 21.1.0 | — |
| f5 | big-ip_application_visibility_and_reporting | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_application_visibility_and_reporting | 17.5.0 – 17.5.1 | — |
CVSS provenance
nvdv3.13.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
nvdv4.02.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/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
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VulDB
F5 BIG-IP prior 17.1.3.4/17.5.1.8/21.0.0.3/21.1.0.1 Configuration Utility Page clickjacking
vuldb·2026-09-16·CVSS 3.1
CVE-2026-63020 [LOW] F5 BIG-IP prior 17.1.3.4/17.5.1.8/21.0.0.3/21.1.0.1 Configuration Utility Page clickjacking
A vulnerability was found in F5 BIG-IP and classified as problematic. This vulnerability affects unknown code of the component Configuration Utility Page. Such manipulation leads to clickjacking.
This vulnerability is uniquely identified as CVE-2026-63020. The attack can be launched remotely. No exploit exists.
It is suggested to upgrade the affected component.
GHSA
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 acc
ghsa_unreviewed·2026-09-02
CVE-2026-63020 [LOW] CWE-451 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 acc
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.
F5
CVE-2026-63020: A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error ...
vendor_f5·2026-09-02·CVSS 3.1
CVE-2026-63020 [LOW] CWE-451 CVE-2026-63020: A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error ...
CVE-2026-63020: A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error ...
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: BIG-IP
F5 Advisory Articles: K000161728
F5 References: https://my.f5.com/manage/s/article/K000161728
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-09-02
Published