CVE-2021-23053
Last modified
CVE-2021-23053 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On version 15.1.x before 15.1.3, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6, when the brute force protection feature of BIG-IP Advanced WAF or BIG-IP ASM is enabled on a virtual server and the virtual server is under brute force attack, the MySQL database may run out of disk space due to lack of row limit on undisclosed tables in the MYSQL database. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
Description
On version 15.1.x before 15.1.3, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6, when the brute force protection feature of BIG-IP Advanced WAF or BIG-IP ASM is enabled on a virtual server and the virtual server is under brute force attack, the MySQL database may run out of disk space due to lack of row limit on undisclosed tables in the MYSQL database. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Advanced Web Application Firewall | >= 13.1.0, < 13.1.3.6 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 14.1.0, < 14.1.3.1 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 15.1.0, < 15.1.3 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, < 13.1.3.6 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, < 14.1.3.1 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, < 15.1.3 |
References
- https://support.f5.com/csp/article/K36942191Vendor Advisory
- https://support.f5.com/csp/article/K36942191Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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