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Case File

CVE-2009-4492

HIGH · CVSS 7.5 EPSS 15.94%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2010-01-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Its EPSS score suggests a 15.9% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2009-4492
Severity
HIGH
CVSS
7.5
EPSS
15.94%

Original NVD Description

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.