Cross-site scripting in BIG-IP ASM
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
On BIG-IP ASM 15.1.0-15.1.0.5, a cross-site scripting (XSS) vulnerability exists in the BIG-IP ASM Configuration utility response and blocking pages. An authenticated user with administrative privileges can specify a response page with any content, including JavaScript code that will be executed when preview is opened.
Why it matters now
EPSS 0.00517 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | BIG-IP ASM | 15.1.0-15.1.0.5 | — | No fix listed | CNA |
- BIG-IP ASM Vendor— Affected 15.1.0-15.1.0.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5932
- 2026-10-03 Alias added: GHSA-pv2g-c84f-3586
References
More F5 Big-ip Application Security Manager vulnerabilities
- TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
- TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-5932 · CVE Program
- CVE-2020-5932 · NVD
- FIRST EPSS
- GHSA-pv2g-c84f-3586 · GitHub Advisory Database · CC BY 4.0
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