CVE-2020-5950 json
On BIG-IP 14.1.0-14.1.2.6, undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromi…
published 2020-12-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-27104
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
On BIG-IP 14.1.0-14.1.2.6, undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromise of the BIG-IP system if the victim user is granted the admin role.
Patch / fix
- f5 big-ip_advanced_firewall_manager 14.1.2.7
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- n/a BIG-IP
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.f5.com
/csp/article/K05204103
vendor-advisory
-
support.f5.com
/csp/article/K42696541
not-applicable
Sources
- CVE List CVE-2020-5950
- NVD CVE-2020-5950
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.