Description:
Cisco released security advisories to address multiple vulnerabilities in Cisco devices and software. For information about the vulnerabilities and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.
Reports indicate that the proof-of-concept (PoC) code for the privilege escalation vulnerability (CVE-2023-20178) in Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows is publicly available. System administrators are advised to take immediate actions to patch your affected systems to mitigate the elevated risk of cyber attacks.
Affected Systems:
- Cisco Adaptive Security Appliance Software
- Cisco AnyConnect Secure Mobility Client Software for Windows
- Cisco Expressway Series
- Cisco Firepower Threat Defense Software for Firepower 2100 Series Appliances
- Cisco Secure Client Software for Windows
- Cisco Secure Workload
- Cisco Small Business 200, 300, and 500 Series Switches
- Cisco TelePresence Video Communication Server
- Cisco Unified Communications Manager
- Cisco Unified Communications Manager IM & Presence Service
- Cisco Unified Communications Manager Session Management Edition
For detailed information of the affected products, please refer to the section "Affected Products" of corresponding security advisory at vendor's website.
Impact:
Depending on the vulnerabilities being exploited, a successful exploitation could lead to denial of service, privilege escalation or spoofing of affected system.
Recommendation:
Software updates for affected systems are now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk. For detailed information of the available patches, please refer to the section "Fixed Software" of corresponding security advisory at vendor's website.
System administrators should contact their product support vendors for the fixes and assistance.
More Information:
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-csc-privesc-wx4U4Kw
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-uu7mV5p6
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-auth-openapi-kTndjdNX
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-dos-4Ag3yWbD
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-imp-dos-49GL7rzT
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-priv-esc-Ls2B9t7b
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-sxss-OPYJZUmE
- https://www.hkcert.org/security-bulletin/cisco-anyconnect-elevation-of-privilege-vulnerability_20230608
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20006
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20105
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20108
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20116
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20136
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20178
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20188
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20192