What is CVE-2023-1603?

CVE-2023-1603 is a medium-severity vulnerability in Devolutions Server, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2023-04-02.

How severe is CVE-2023-1603?

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

Auth bypass in Devolutions Server

CVE-2023-1603

Permission bypass when importing or synchronizing entries in User vault in Devolutions Server 2022.3.13 and prior versions allows users with restricted rights to bypass entry permission via id collision.

Vulnerability class: Broken Access Control

Published 2023-04-02 · 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:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Devolutions Server
Devolutions Server — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

devolutions.net/security/advisories/DEVO-2023-0008 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-1603?: CVE-2023-1603 is a medium-severity vulnerability in Devolutions Server, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2023-04-02.
How severe is CVE-2023-1603?: Medium severity. CVSS v3 base score is 6.5 out of 10.