{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: CVEs linked to T1217 Browser Information Discovery","home_page_url":"https://patchfirst.co/technique/T1217/","feed_url":"https://patchfirst.co/feed/technique/T1217.json","description":"New and newly exploited CVEs that lead to ATT&CK T1217 Browser Information Discovery, with CISA KEV and EPSS context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2020-3580#kev","url":"https://patchfirst.co/cve/CVE-2020-3580/","title":"[KEV] CVE-2020-3580: Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability","content_text":"Cisco · Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD). In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 85.6% (higher than 99.72% of CVEs). CVSS 6.1 MEDIUM. Public exploit code exists. ATT&CK: T1204.001 Malicious Link; T1059 Command and Scripting Interpreter; T1217 Browser Information Discovery. Priority 77.2 of 100.","summary":"Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability","date_published":"2021-11-03T00:00:00.000Z","date_modified":"2026-08-11T19:42:47.000Z","tags":["kev","ransomware","public-exploit","T1204.001","T1059","T1217"],"_patchfirst":{"reason":"kev","priority":77.2,"kev":{"dateAdded":"2021-11-03","ransomware":true},"epss":{"score":0.85575,"percentile":0.99724},"cvss":{"score":6.1,"severity":"MEDIUM","version":"3.1"},"vendor":"Cisco","product":"Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)","techniqueIds":["T1204.001","T1059","T1217"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}}]}