Information disclosure in Cisco Systems, Inc products - CVE-2023-20162

Vulnerability identifier: #VU76269

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-20162

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in the web interface. A remote attacker can read system configuration.

Cisco Small Business 200 Series Smart Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 500 Series Stackable Managed Switches
Cisco 250 Series Smart Switches
Cisco 350 Series Managed Switches
Cisco 350X Series Stackable Managed Switches
Cisco 550X Series Stackable Managed Switches

Install updates from vendor's website.

Cisco 250 Series Smart Switches - update to 2.5.9.16
Cisco 350 Series Managed Switches - update to 2.5.9.16
Cisco 350X Series Stackable Managed Switches - update to 2.5.9.16
Cisco 550X Series Stackable Managed Switches - update to 2.5.9.16

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv
• https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwe32338
• https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwe27445

• Multiple vulnerabilities in Cisco Small Business Series Switches