CVE-2023-29552
Service Location Protocol (SLP) Denial-of-Service Vulnerability
IETF Service Location Protocol (SLP)
CVSS
7.5HighExploit odds (EPSS)64.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply 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. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
The Service Location Protocol (SLP) contains a denial-of-service (DoS) vulnerability that could allow an unauthenticated, remote attacker to register services and use spoofed UDP traffic to conduct a denial-of-service (DoS) attack with a significant amplification factor.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 10
- blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.htmlAdvisoryvia CVE List
- suse.com/support/kb/doc/?id=000021051Advisoryvia CVE List
- security.netapp.com/advisory/ntap-20230426-0001/Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2023-29552Referencevia CISA KEV
- datatracker.ietf.org/doc/html/rfc2608Referencevia CVE List
- bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slpReferencevia CVE List
- cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacksReferencevia CVE List
- curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.htmlReferencevia CVE List
- github.com/curesec/slploadReferencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29552Referencevia CVE List