Vendor

Accellion

As of , 4 Accellion vulnerabilities are on CISA's list of exploited vulnerabilities, 4 of them used in ransomware campaigns; 0 were added in 2026. Patch first: CVE-2021-27104.

Patch first

Patch first
#VulnerabilityProductOur groupListedDeadlineEPSS
1CVE-2021-27104OS Command InjectionAccellion FTAPatch this weekRansomware use; EPSS 0.570.57
2CVE-2021-27103Server-Side Request Forgery (SSRF)Accellion FTAPatch this weekRansomware use0.11
3CVE-2021-27101SQL InjectionAccellion FTAPatch this weekRansomware use0.06
4CVE-2021-27102OS Command InjectionAccellion FTAPatch this weekRansomware use0.04

Added each year

12342021: 4420212022: nonenone20222023: nonenone20232024: nonenone20242025: nonenone20252026: nonenone2026
Entries CISA added each year, removed ones included. Source: CISA KEV.
Show the numbers
Periodentries added
20214
2022none
2023none
2024none
2025none
2026none

Used in ransomware