#VU72309 Input validation error in Cisco Email Security Appliance and Cisco Secure Email and Web Manager - CVE-2023-20009

Vulnerability identifier: #VU72309

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/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-2023-20009

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Email Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers
Cisco Secure Email and Web Manager
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists due to insufficient validation of an uploaded Simple Network Management Protocol (SNMP) configuration file. A remote attacker can upload a specially crafted SNMP configuration file and execute arbitrary code as root.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Email Security Appliance: before 12.5.4-041

Cisco Secure Email and Web Manager: before 12.8.1-021

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-privesc-9DVkFpJ8
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwd29901
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwd29905

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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