# CVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerability

Source: https://junglewise.ai/threats/cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-11-08. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2023-29552 · Severity: critical · CVSS 7.5 · Exploited in the wild · Published 2023-11-08

The Service Location Protocol (SLP) allows unauthenticated, remote attackers to register arbitrary services. Attackers can leverage this to conduct reflective denial-of-service (DoS) attacks using spoofed UDP traffic with a significant amplification factor.

## Quick answers

**Is CVE-2023-29552 exploited in the wild?** Yes. CVE-2023-29552 is known to be exploited in the wild, first recorded on 8 November 2023. Treat it as urgent.

**How severe is CVE-2023-29552?** Critical severity, with a CVSS score of 7.5, published 8 November 2023.

**Which products and versions are affected?** Service Location Protocol Project Service Location Protocol (SLP) -; VMware ESXi up to (excluding) 7.0; NetApp SMI-S Provider -; SUSE Manager Server -; and 1 more.

**Is there a fix for CVE-2023-29552?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2023-29552 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2023-29552?** Check whether you run Ietf Service Location Protocol (SLP). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Service Location Protocol Project Service Location Protocol (SLP) -
- VMware ESXi up to (excluding) 7.0
- NetApp SMI-S Provider -
- SUSE Manager Server -
- SUSE Linux Enterprise Server 11, 12, 15

## Timeline

- 2023-04-25: advisory: CISA and VMware release initial alerts/responses regarding SLP abuse.
- 2023-05-04: other: Initial analysis by NIST.
- 2023-11-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
- 2023-11-08: disclosed