CVE-2021-45887 Information

Description

An issue was discovered in PONTON X/P Messenger before 3.11.2. Due to path traversal in private/SchemaSetUpload.do for uploaded ZIP files an executable script can be uploaded by web application administrators giving the attacker remote code execution on the underlying server via an imgs/.jsp URI.

CVSS Vector

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

Reference

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-077.txt https://www.ponton.de/products/xpmessenger/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8