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.
Key facts
- CVSS score
- 7.5 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- EPSS score
- 64.0% (99th percentile)
- In CISA KEV
- Yes, added November 8, 2023
- In EU EUVD
- Yes (EUVD-2023-33094)
- Published
- April 25, 2023
- NVD last modified
- June 17, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Service Location Protocol (SLP) Denial-of-Service Vulnerability
Added to the KEV catalog on November 8, 2023; federal remediation due November 29, 2023.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-33094 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.
View on the EU Vulnerability DatabaseAffected products
- netapp / smi-s provider
- service location protocol project / service location protocol
- suse / linux enterprise server
- suse / linux enterprise server
- suse / linux enterprise server
- suse / linux enterprise server
- suse / linux enterprise server
- suse / manager server
- vmware / esxi
Certified products that may be affected
3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- SUSE Linux Enterprise Server Version 15 SP2 - SUSE LLC - Common Criteria BSI-DSZ-CC-1168-2021 - active
- SUSE Linux Enterprise Server 15 SP2 - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-1151-2021 - archived
- SUSE Linux Enterprise Server Version 12 - SUSE LLC - Common Criteria BSI-DSZ-CC-0962-2016 - archived
References
- https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html(Third Party Advisory)
- https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.html(Exploit, Third Party Advisory)
- https://datatracker.ietf.org/doc/html/rfc2608(Technical Description)
- https://github.com/curesec/slpload(Product)
- https://security.netapp.com/advisory/ntap-20230426-0001/(Third Party Advisory)
- https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp(Exploit, Third Party Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29552(US Government Resource)
- https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks(Third Party Advisory, US Government Resource)
- https://www.suse.com/support/kb/doc/?id=000021051(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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