{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: Yealink vulnerabilities","home_page_url":"https://patchfirst.co/vendor/yealink/","feed_url":"https://patchfirst.co/feed/vendor/yealink.json","description":"New and newly exploited Yealink CVEs, with CISA KEV, EPSS and ATT&CK context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2021-27561#kev","url":"https://patchfirst.co/cve/CVE-2021-27561/","title":"[KEV] CVE-2021-27561: Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability","content_text":"Yealink · Device Management. In CISA KEV since 2021-11-03. ENISA EUVD lists it as exploited. EPSS 82.9% (higher than 99.67% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter. Priority 69.8 of 100.","summary":"Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability","date_published":"2021-11-03T00:00:00.000Z","date_modified":"2026-06-17T03:45:08.000Z","tags":["kev","public-exploit","T1190","T1059"],"_patchfirst":{"reason":"kev","priority":69.8,"kev":{"dateAdded":"2021-11-03","ransomware":false},"epss":{"score":0.82865,"percentile":0.99671},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1"},"vendor":"Yealink","product":"Device Management","techniqueIds":["T1190","T1059"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}}]}