CVE-2023-29552
The Service Location Protocol (SLP, RFC 2608) allows an unauthenticated, remote attacker to register arbitrary services. This could allow the attacker to use spoofed UDP traffic to conduct a denial-of-service attack with a significant amplification factor.
- Score
- CVSS 3.1 7.5 High
- Status
- Analyzed - cve@mitre.org
- Published
- 2023-04-25
- Last modified
- 2025-10-21
- Known exploited (CISA KEV)
- since 2023-11-08, action due 2023-11-29: 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.
Affected products
- Smi-s Provider (Netapp)
- Service Location Protocol (Service Location Protocol Project)
- Linux Enterprise Server (Suse)
- Manager Server (Suse)
- Esxi (Vmware)
References
- https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplificat…
- https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.ht…
- https://datatracker.ietf.org/doc/html/rfc2608
- https://github.com/curesec/slpload
- https://security.netapp.com/advisory/ntap-20230426-0001/
- https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp
- https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks
- https://www.suse.com/support/kb/doc/?id=000021051
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29552
