CVE-2021-3312 Information

Description

An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server’s file system by uploading a crafted SVG document.

CVSS Vector

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

Reference

https://github.com/alkacon/opencms-core/releases https://github.com/alkacon/opencms-core/issues/725

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5