CVE-2023-29552
Actively exploited. CVE-2023-29552 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-08) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- The vulnerability allows an unauthenticated remote attacker to conduct a denial-of-service attack using spoofed UDP traffic.
- Who is affected
- Deployments using the Service Location Protocol (SLP).
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Implement network controls to mitigate the risk.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerabilitycisa-kev · 2023-11-08
External references
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[](https://www.csirts.com/cve/CVE-2023-29552)