Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-23010 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
BIG-IP ASM Hardware solutions / Security hardware applicances |
Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU52746
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23010
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing WebSocket requests with JSON payloads using the default JSON content profile in the ASM security policy. A remote attacker can pass specially crafted input to the system and crash the BIG-IP ASM bd process.
Install updates from vendor's website.
Vulnerable software versionsBIG-IP ASM: 12.1.0 - 16.0.1
External linkshttp://support.f5.com/csp/article/K18570111
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.