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CVE-2023-29552

Published: Apr 25, 2023Updated: Oct 31, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
7.5CVSSHIGH
EPSS Score
65.9%
Top 0.8%
CISA KEV
Active Exploitation
Since Nov 8, 2023
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

n/an/a
SUSE Linux EnterpriseNovell Inc.
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
SUSE Manager ServerNovell Inc.
On-premOS
Operating Systems / linux-distro
smi-s providernetappHardware Firmware
novell inc.commercialUSOperating Systems
red hat inc.commercialUSOperating Systemsaka red hat
netappcommercialUSHardware Firmware
and 4 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 8, 2023
Remediation due:Nov 29, 2023

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.

Official Patch Available

References

https://datatracker.ietf.org/doc/html/rfc2608
datatracker.ietf.org
https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp
bitsight.com
https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html
blogs.vmware.com
and 11 more references View all →

Timeline

Published
Apr 25, 2023
Added to CISA KEV
Nov 8, 2023
Last Updated
Oct 31, 2025

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