#VU50619 Security features bypass in BIG-IP ASM


Published: 2021-02-11

Vulnerability identifier: #VU50619

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP ASM
Hardware solutions / Security hardware applicances

Vendor:

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when performing signature checks on cookies. As a result, cookies containing malicious payload may pass through the system without logging a violation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://support.f5.com/csp/article/K88162221


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.


Latest bulletins with this vulnerability