VULNERABILITY INTELLIGENCE

CVE-2019-14868

CVSS score7.4 HIGH
EPSS probability1.39%
CISA KEVNot currently listed
Published2020-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables could allow them to exploit this issue remotely.

Weakness classification

  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Primary references