VULNERABILITY INTELLIGENCE

CVE-2021-3312

CVSS score6.5 MEDIUM

EPSS probability1.29%

CISA KEVNot currently listed

Published2021-10-08

Last modified2026-06-17

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

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.

Weakness classification

nvd@nist.gov: CWE-611

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory