{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: IETF vulnerabilities","home_page_url":"https://patchfirst.co/vendor/ietf/","feed_url":"https://patchfirst.co/feed/vendor/ietf.json","description":"New and newly exploited IETF CVEs, with CISA KEV, EPSS and ATT&CK context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2023-29552#kev","url":"https://patchfirst.co/cve/CVE-2023-29552/","title":"[KEV] CVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerability","content_text":"IETF · Service Location Protocol (SLP). In CISA KEV since 2023-11-08. ENISA EUVD lists it as exploited. EPSS 64.0% (higher than 99.22% of CVEs). CVSS 7.5 HIGH. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1499.004 Application or System Exploitation. Priority 78.1 of 100.","summary":"Service Location Protocol (SLP) Denial-of-Service Vulnerability","date_published":"2023-11-08T00:00:00.000Z","date_modified":"2026-06-17T05:50:32.000Z","tags":["kev","public-exploit","T1190","T1499.004"],"_patchfirst":{"reason":"kev","priority":78.1,"kev":{"dateAdded":"2023-11-08","ransomware":false},"epss":{"score":0.63975,"percentile":0.99223},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1"},"vendor":"IETF","product":"Service Location Protocol (SLP)","techniqueIds":["T1190","T1499.004"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}},{"id":"CVE-2023-44487#kev","url":"https://patchfirst.co/cve/CVE-2023-44487/","title":"[KEV] CVE-2023-44487: HTTP/2 Rapid Reset Attack Vulnerability","content_text":"IETF · HTTP/2. In CISA KEV since 2023-10-10. ENISA EUVD lists it as exploited. EPSS >99.9% (higher than 99.99% of CVEs). CVSS 7.5 HIGH. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1499 Endpoint Denial of Service. Priority 68.2 of 100.","summary":"HTTP/2 Rapid Reset Attack Vulnerability","date_published":"2023-10-10T00:00:00.000Z","date_modified":"2026-08-11T19:37:30.000Z","tags":["kev","public-exploit","T1190","T1499"],"_patchfirst":{"reason":"kev","priority":68.2,"kev":{"dateAdded":"2023-10-10","ransomware":false},"epss":{"score":0.99999,"percentile":0.99998},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1"},"vendor":"IETF","product":"HTTP/2","techniqueIds":["T1190","T1499"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}}]}