IETF — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for IETF with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 2 IETF vulnerabilities confirmed as exploited in the wild across 2 products; none are currently flagged as used in known ransomware campaigns. Service Location Protocol (SLP) and HTTP/2 are tied as the most-affected products, with 1 entry each (50% of the total each). CISA added 2 entries in 2023, compared with 0 in 2022. Across the 2 entries with an NVD CVSS score (100% of the total), the average score is 7.5; none is rated critical by NVD. The most recent addition is CVE-2023-29552 (Service Location Protocol (SLP) Denial-of-Service Vulnerability), added on 2023-11-08.
Affected products
| Product | Entries | Share |
|---|---|---|
| Service Location Protocol (SLP) | 1 | 50% |
| HTTP/2 | 1 | 50% |
Entries added per year
By date added to the KEV catalog
Exploited IETF vulnerabilities (2)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2023-29552 | Service Location Protocol (SLP) | Service Location Protocol (SLP) Denial-of-Service Vulnerability | 2023-11-08 | — | HIGH7.5 |
| CVE-2023-44487 | HTTP/2 | HTTP/2 Rapid Reset Attack Vulnerability | 2023-10-10 | — | HIGH7.5 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.