Rejetto HTTP File Server (HFS) Remote Code Execution Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

99.32 %

Predictive Probability

Percentile Rank

99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Mar 25, 2022

Remediation Due

Apr 15, 2022

CISA Catalog Active

Threat Analysis

The findMacroMarker function in parserLib.pas in Rejetto HTTP File Server (HFS or HttpFileServer) allows remote attackers to execute arbitrary programs.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2014-6287