CVE-2021-27104

Known Exploited

Description

Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST request to various admin endpoints. The fixed version is FTA_9_12_380 and later.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.39% Top 15%
KEV Since 
Vendor Advisory accellion.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.accellion.com/products/fta/ vendor advisory product
https://github.com/accellion/CVEs/blob/main/CVE-2021-27104.txt broken link third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27104?
CVE-2021-27104 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27104?
To fix CVE-2021-27104, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27104 being actively exploited in the wild?
It is confirmed that CVE-2021-27104 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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