What is CVE-2023-45820?

CVE-2023-45820 is a medium-severity vulnerability in Directus, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2023-10-19.

How severe is CVE-2023-45820?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Directus

CVE-2023-45820

Directus is a real-time API and App dashboard for managing SQL database content. In affected versions any Directus installation that has websockets enabled can be crashed if the websocket server receives an invalid frame. A malicious user could leverage this bug to crash Directus. This issue has been addressed in version 10.6.2. Users are advised to upgrade. Users unable to upgrade should avoid using websockets.

Published 2023-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (50.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% 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

Directus — versions >=10.4, < 10.6.2
Monospace Directus

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

github.com/directus/directus/security/advisories/GHSA-hmgw-9jrg-hf2m (Exploit, Vendor Advisory)
github.com/directus/directus/commit/243eed781b42d6b4948ddb8c3792bcf5b44f55bb (Patch)

Frequently asked questions

What is CVE-2023-45820?: CVE-2023-45820 is a medium-severity vulnerability in Directus, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2023-10-19.
How severe is CVE-2023-45820?: Medium severity. CVSS v3 base score is 5.9 out of 10.