https://patchfirst.co/vendor/accellion/New and newly exploited Accellion CVEs, with CISA KEV, EPSS and ATT&CK context. Newest 50 by publication or KEV listing.en-gb360Sat, 31 Oct 2026 05:11:25 GMThttps://patchfirst.co/cve/CVE-2021-27101/CVE-2021-27101#kevWed, 03 Nov 2021 00:00:00 GMTAccellion · FTA. In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 6.0% (higher than 93.3% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&CK: T1059 Command and Scripting Interpreter; T1005 Data from Local System. Priority 78.5 of 100.kevransomwarepublic-exploitT1059T1005https://patchfirst.co/cve/CVE-2021-27104/CVE-2021-27104#kevWed, 03 Nov 2021 00:00:00 GMTAccellion · FTA. In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 56.7% (higher than 99.06% of CVEs). CVSS 9.8 CRITICAL. ATT&CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter; T1005 Data from Local System. Priority 74.7 of 100.kevransomwareT1190T1059T1005https://patchfirst.co/cve/CVE-2021-27103/CVE-2021-27103#kevWed, 03 Nov 2021 00:00:00 GMTAccellion · FTA. In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 11.4% (higher than 96% of CVEs). CVSS 9.8 CRITICAL. ATT&CK: T1190 Exploit Public-Facing Application; T1005 Data from Local System. Priority 74.1 of 100.kevransomwareT1190T1005https://patchfirst.co/cve/CVE-2021-27102/CVE-2021-27102#kevWed, 03 Nov 2021 00:00:00 GMTAccellion · FTA. In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 3.7% (higher than 89.6% of CVEs). CVSS 7.8 HIGH. ATT&CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter; T1005 Data from Local System. Priority 71.4 of 100.kevransomwareT1190T1059T1005