{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: CVEs linked to T1033 System Owner/User Discovery","home_page_url":"https://patchfirst.co/technique/T1033/","feed_url":"https://patchfirst.co/feed/technique/T1033.json","description":"New and newly exploited CVEs that lead to ATT&CK T1033 System Owner/User Discovery, with CISA KEV and EPSS context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2024-4577#kev","url":"https://patchfirst.co/cve/CVE-2024-4577/","title":"[KEV] CVE-2024-4577: PHP-CGI OS Command Injection Vulnerability","content_text":"PHP Group · PHP. In CISA KEV since 2024-06-12, known ransomware use. ENISA EUVD lists it as exploited. EPSS >99.9% (higher than 99.98% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter; T1003 OS Credential Dumping; T1003.001 LSASS Memory; T1033 System Owner/User Discovery; T1041 Exfiltration Over C2 Channel; +6 more. Priority 79.9 of 100.","summary":"PHP-CGI OS Command Injection Vulnerability","date_published":"2024-06-12T00:00:00.000Z","date_modified":"2026-06-17T08:02:11.000Z","tags":["kev","ransomware","public-exploit","T1190","T1059","T1003","T1003.001","T1033","T1041","T1053","T1068","T1071.001","T1112","T1543","T1570"],"_patchfirst":{"reason":"kev","priority":79.9,"kev":{"dateAdded":"2024-06-12","ransomware":true},"epss":{"score":0.99987,"percentile":0.99984},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1"},"vendor":"PHP Group","product":"PHP","techniqueIds":["T1190","T1059","T1003","T1003.001","T1033","T1041","T1053","T1068","T1071.001","T1112","T1543","T1570"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}},{"id":"CVE-2023-22518#kev","url":"https://patchfirst.co/cve/CVE-2023-22518/","title":"[KEV] CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability","content_text":"Atlassian · Confluence Data Center and Server. In CISA KEV since 2023-11-07, known ransomware use. ENISA EUVD lists it as exploited. EPSS >99.9% (higher than 99.99% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1033 System Owner/User Discovery; T1105 Ingress Tool Transfer. Priority 79.9 of 100.","summary":"Atlassian Confluence Data Center and Server Improper Authorization Vulnerability","date_published":"2023-11-07T00:00:00.000Z","date_modified":"2026-06-17T05:35:37.000Z","tags":["kev","ransomware","public-exploit","T1190","T1033","T1105"],"_patchfirst":{"reason":"kev","priority":79.9,"kev":{"dateAdded":"2023-11-07","ransomware":true},"epss":{"score":0.99999,"percentile":0.99996},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1"},"vendor":"Atlassian","product":"Confluence Data Center and Server","techniqueIds":["T1190","T1033","T1105"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}}]}