CVE-2021-3312 — MEDIUM (6.5)

Vulnerability 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 Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Alkacon	Opencms	11.0

Related Weaknesses (CWE)

CWE-611

References

https://github.com/alkacon/opencms-core/issues/725ExploitIssue TrackingThird Party Advisory
https://github.com/alkacon/opencms-core/releasesRelease NotesThird Party Advisory
https://github.com/alkacon/opencms-core/issues/725ExploitIssue TrackingThird Party Advisory
https://github.com/alkacon/opencms-core/releasesRelease NotesThird Party Advisory

FAQ

What is CVE-2021-3312?

CVE-2021-3312 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 upload...

How severe is CVE-2021-3312?

CVE-2021-3312 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3312?

Check the references section above for vendor advisories and patch information. Affected products include: Alkacon Opencms.