CVE-2023-29552
Service Location Protocol (SLP) Denial-of-Service Vulnerability
IN CISA KEV
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.
- Vendor
- IETF
- Product
- Service Location Protocol (SLP)
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- Not recorded
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2023-11-08
- Due date
- 2023-11-29
- Ransomware use
- Unknown
- 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.
EPSS
64.0% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.