High severity · published Sep 14, 2021
CVE-2021-23030
On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a…
7.5
CVSS
1%
EPSS
No
On KEV
Description
On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. 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:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% 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
12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.0.1.1 · source: NVD
BA
Big-ip Application Security Manager · F5
12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.0.1.1 · source: NVD
Affected product
BA
Big-ip Advanced Web Application Firewall
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23030
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23030
Mitigation
https://support.f5.com/csp/article/K42051445
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