Known Exploited Vulnerability: CVE-2023-29552

Vendor: IETF

Product: Service Location Protocol (SLP)

Required action: Apply mitigations per vendor instructions or disable SLP service or port 427/UDP on all systems running on untrusted networks, including those directly connected to the Internet.

Known ransomware campaign use: Unknown

Notes: This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on the patching status. For more information please see https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp and https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks. https://nvd.nist.gov/vuln/detail/CVE-2023-29552