CVE-2020-26217 HIGH

CVE-2020-26217: Remote Code Execution in XStream

Vendor X-Stream
Product xstream
Weakness CWE-78
Published November 16, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.

Key dates

02Disclosure timeline

November 16, 2020 CVE published
August 4, 2024 Record updated