CVE-2021-27103
CRITICAL KEV RANSOMWAREAccellion FTA < 9_12_416 - Server-Side Request Forgery via wmProgressstat.html
Title source: llmExploitation Summary
CVE-2021-27103 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_411 and earlier is affected by SSRF via a crafted POST request to wmProgressstat.html. The fixed version is FTA_9_12_416 and later.
References (3)
Core 3
Core References
Product x_refsource_misc
https://www.accellion.com/products/fta/
Broken Link, Product x_refsource_misc
https://github.com/accellion/CVEs/blob/main/CVE-2021-27103.txt
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27103
Scores
CVSS v3
9.8
EPSS
0.0110
EPSS Percentile
78.6%
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-2021-13873
Ransomware Use
Confirmed
CWE
CWE-918
Status
published
Products (1)
accellion/fta
< 9_12_416
Published
Feb 16, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026