#VU68966 Use of Hard-coded Cryptographic Key in Cisco AsyncOS for Cisco Email Security Appliance and Cisco AsyncOS for Web Security Appliances - CVE-2022-20868

 

#VU68966 Use of Hard-coded Cryptographic Key in Cisco AsyncOS for Cisco Email Security Appliance and Cisco AsyncOS for Web Security Appliances - CVE-2022-20868

Published: November 3, 2022


Vulnerability identifier: #VU68966
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20868
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco AsyncOS for Cisco Email Security Appliance
Cisco AsyncOS for Web Security Appliances
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote user to escalate privileges on the device.

The vulnerability exists due to usage of a hard-coded value to encrypt a token that is used for certain API calls. A remote user can send a specially crafted HTTP request to the next-generation UI management interface, impersonate another valid user and execute commands with the privileges of that user account.


Remediation

Install updates from vendor's website.

External links