Medium severity · published Sep 14, 2021
CVE-2021-23053
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…
5.3
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Advanced Web Application Firewall · F5
13.1.0 before 13.1.3.6; 14.1.0 before 14.1.3.1; 15.1.0 before 15.1.3 · source: NVD
BA
Big-ip Application Security Manager · F5
13.1.0 before 13.1.3.6; 14.1.0 before 14.1.3.1; 15.1.0 before 15.1.3 · source: NVD
Affected product
BA
Big-ip Advanced Web Application Firewall
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23053
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23053
Vendor Advisory
https://support.f5.com/csp/article/K36942191
More from Big-ip Advanced Web Application Firewall
9.8
CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
9.8
CVE-2021-22991
F5 BIG-IP Traffic Management Microkernel Buffer Overflow
9.8
CVE-2021-22986
F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability
9.8
CVE-2020-5902
F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability
8.8
CVE-2023-46748
BIG-IP Configuration utility authenticated SQL injection vulnerability