CVE-2021-27101

CRITICAL KEV RANSOMWARE

Accellion FTA < 9_12_370 - SQL Injection via Host Header

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-27101 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021, with confirmed use in ransomware campaigns.

Description

Accellion FTA 9_12_370 and earlier is affected by SQL injection via a crafted Host header in a request to document_root.html. The fixed version is FTA_9_12_380 and later.

References (3)

Core 3
Core References
Broken Link, Third Party Advisory x_refsource_misc
https://github.com/accellion/CVEs/blob/main/CVE-2021-27101.txt
Product, Vendor Advisory x_refsource_misc
https://www.accellion.com/products/fta/

Scores

CVSS v3 9.8
EPSS 0.0075
EPSS Percentile 73.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-04-13
InTheWild.io 2021-03-04
ENISA EUVD EUVD-2021-13871
Ransomware Use Confirmed
Status published
Products (1)
accellion/fta < 9_12_370
Published Feb 16, 2021
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026