Home / Vulnerabilities / CVE-2021-27102
HIGH SEVERITY Ransomware Linked
CVE-2021-27102 Accellion · FTA

Accellion FTA OS Command Injection Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH
7.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

0.38 %
Predictive Probability
Percentile Rank
59.1 th

Documented as more likely to be exploited than 59.1% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-27102