Privilege escalation in Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20855
CWE-ID CWE-266
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Cisco IOS XE
Operating systems & Components / Operating system

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect Privilege Assignment

EUVDB-ID: #VU67729

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20855

CWE-ID: CWE-266 - Incorrect Privilege Assignment

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper checks throughout the restart of certain system processes within the self-healing functionality. A local administrator can execute arbitrary commands on the underlying OS as root.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: 17.6.1

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewc-priv-esc-nderYLtK


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###