What is CVE-2023-0661?

CVE-2023-0661 is a medium-severity vulnerability in Devolutions Server, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-02-12.

How severe is CVE-2023-0661?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Devolutions Server

CVE-2023-0661

Improper access control in Devolutions Server allows an authenticated user to access unauthorized sensitive data.

Published 2023-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Devolutions Server — versions 0
Devolutions Server

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

devolutions.net/security/advisories/DEVO-2023-0002 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0661?: CVE-2023-0661 is a medium-severity vulnerability in Devolutions Server, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-02-12.
How severe is CVE-2023-0661?: Medium severity. CVSS v3 base score is 6.5 out of 10.