CVE-2025-61933
published 2025-10-15CVE-2025-61933: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the context of…
PriorityP426medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.19%
8.6th percentile
A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the context of the targeted logged-out user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | >= 15.1.0 < 15.1.10.8 | 15.1.10.8 |
| f5 | big-ip | >= 16.1.0 < 16.1.6.1 | 16.1.6.1 |
| f5 | big-ip | >= 17.1.0 < 17.1.3 | 17.1.3 |
| f5 | big-ip | >= 17.5.0 < 17.5.1.3 | 17.5.1.3 |
| f5 | big-ip_access_policy_manager | >= 15.1.0 < 15.1.10.8 | 15.1.10.8 |
| f5 | big-ip_access_policy_manager | >= 16.1.0 < 16.1.6.1 | 16.1.6.1 |
| f5 | big-ip_access_policy_manager | >= 17.1.0 < 17.1.3 | 17.1.3 |
| f5 | big-ip_access_policy_manager | >= 17.5.0 < 17.5.1.3 | 17.5.1.3 |
| f5 | big-ip_apm | — | — |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv4.05.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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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F5
CVE-2025-61933: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attac...
vendor_f5·2025-10-15·CVSS 6.1
CVE-2025-61933 [MEDIUM] CWE-79 CVE-2025-61933: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attac...
CVE-2025-61933: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attac...
A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the context of the targeted logged-out user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Products: BIG-IP APM
Affected Versions: 15.1.0 - 15.1.10.8; 16.1.0 - 16.1.6.1; 17.1.0 - 17.1.3; 17.5.0 - 17.5.1.3
F5 Advisory Articles: K000156596
F5 References: https://my.f5.com/manage/s/article/K000156596
GHSA
GHSA-7vp6-4ww8-jvfg: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the cont
ghsa_unreviewed·2025-10-15
CVE-2025-61933 [MEDIUM] CWE-79 GHSA-7vp6-4ww8-jvfg: A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the cont
A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows an attacker to run JavaScript in the context of the targeted logged-out user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
No detection rules found.
No public exploits indexed.
Qualys
A Strategic Response to the F5 BIG-IP Nation-State Breach 2025
blogs_qualys·2025-10-18
A Strategic Response to the F5 BIG-IP Nation-State Breach 2025
## Table of Contents
CISAs KEV Inclusion Underscores the Severity of the F5 BIG-IP Breach
The Risk-Velocity Mismatch: F5 Patching Decelerates as Attacker Insight Accelerates
How Qualys Helps You Discover F5 Assets and Detect Related Vulnerabilities
Conclusion
In mid-October 2025, the cybersecurity landscape was dealt a severe blow. F5 disclosed a long-term, sophisticated breach by a nation-state threat actor. This incident exposed critical F5 BIG-IP vulnerabilities and triggered heightened scrutiny across enterprise edge infrastructure.
This was not a typical vulnerability disclosure. The attackers exfiltrated a strategic critical pair of assets: portions of BIG-IP source code, and internal details of undisclosed (unpatched) vulnerabilities.
## CISA’s KEV Inclusion Underscores the S
Qualys
F5 BIG-IP Vulnerabilities: Strategic Breach Response with Qualys | Qualys
blogs_qualys·2025-10-18
F5 BIG-IP Vulnerabilities: Strategic Breach Response with Qualys | Qualys
#### Table of Contents
- CISAs KEV Inclusion Underscores the Severity of the F5 BIG-IP Breach
- The Risk-Velocity Mismatch: F5 Patching Decelerates as Attacker Insight Accelerates
- How Qualys Helps You Discover F5 Assets and Detect Related Vulnerabilities
- Conclusion
In mid-October 2025, the cybersecurity landscape was dealt a severe blow. F5 disclosed a long-term, sophisticated breach by a nation-state threat actor. This incident exposed critical F5 BIG-IP vulnerabilities and triggered heightened scrutiny across enterprise edge infrastructure.
This was not a typical vulnerability disclosure. The attackers exfiltrated a strategic critical pair of assets: portions of BIG-IP source code, and internal details of undisclosed (unpatched) vulnerabilities.
## CISA’s KEV Inclusion Underscore
Tenable
FAQ on F5 Security Incident
blogs_tenable·2025-10-15
FAQ on F5 Security Incident
## Cloud Exposure
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## Vulnerability Exposure
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## AI Exposure
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## OT/IoT Exposure
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## Identity Exposure
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## Business needs
Active Directory
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AWS security
Azure security
Cloud Security Posture Man
2025-10-15
Published