CVE-2023-29552 KEV
7.5
HIGH · CVSS 3.1 · EPSS 64% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2023-11-29.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 63.98% — more likely to be exploited than 99% of all CVEs |
| On CISA KEV | yes — remediate by 2023-11-29 |
| Public exploit | none known |
| Published | 2023-04-25 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Service Location Protocol (SLP) Denial-of-Service Vulnerability |
|---|---|
| Added | 2023-11-08 |
| Due | 2023-11-29 |
| Vendor / product | IETF / Service Location Protocol (SLP) |
| Ransomware use | none reported |
Affected (5)
| Vendor | Product |
|---|---|
| netapp | smi-s provider |
| service location protocol project | service location protocol |
| suse | linux enterprise server |
| suse | manager server |
| vmware | esxi |
References
- https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html
- https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.html
- https://datatracker.ietf.org/doc/html/rfc2608
- https://github.com/curesec/slpload
- https://security.netapp.com/advisory/ntap-20230426-0001/
- https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp
- https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks
- https://www.suse.com/support/kb/doc/?id=000021051
- https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html
- https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.html
- https://datatracker.ietf.org/doc/html/rfc2608
- https://github.com/curesec/slpload
- https://security.netapp.com/advisory/ntap-20230426-0001/
- https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp
- https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks
- https://www.suse.com/support/kb/doc/?id=000021051
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29552
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