CVE-2021-23014: f5 big-ip_advanced_web_application_firewall Missing Authorization
Vulnerability summary
CVE-2021-23014 is a high (CVSS 8.8) Missing Authorization vulnerability in f5 big-ip_advanced_web_application_firewall. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56.2% of scored vulnerabilities.
Timeline
- 10-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.80% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F52 products
- big-ip_advanced_web_application_firewall≥ 14.1.0, < 14.1.4 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.1
- big-ip_application_security_manager≥ 14.1.0, < 14.1.4 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.1
1 vendor · 2 products