Execution with unnecessary privileges in Cisco AsyncOS for Secure Web Appliance

1) Execution with unnecessary privileges

EUVDB-ID: #VU94510

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-20435

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input for the CLI. A local user can execute arbitrary code on the system with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco AsyncOS for Secure Web Appliance: 14.5 - 15.1

CPE2.3

• cpe:2.3:o:cisco_systems:cisco_asyncos_for_secure_web_appliance:*:*:*:*:*:*:*:*
• cpe:2.3:o:cisco_systems:cisco_asyncos_for_secure_web_appliance:14.5:*:*:*:*:*:*:*
• cpe:2.3:o:cisco_systems:cisco_asyncos_for_secure_web_appliance:15.0:*:*:*:*:*:*:*

External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-swa-priv-esc-7uHpZsCC

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.