How severe is CVE-2023-45820?

CVE-2023-45820 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-45820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45820?

CVE-2023-45820 affects Monospace Directus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45820?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-45820 published?

CVE-2023-45820 was published on 2023-10-19 and last updated on 2026-06-17.

CVE-2023-45820

CVE-2023-45820 is a medium-severity vulnerability in Monospace Directus with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Monospace Directus
Published: 2023-10-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-45820?: CVE-2023-45820 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-45820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45820?: CVE-2023-45820 affects Monospace Directus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45820?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-45820 published?: CVE-2023-45820 was published on 2023-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monospace:directus:*:*:*:*:*:node.js:*:*

More vulnerabilities in Monospace Directus

CVE-2022-26969 — Critical (CVSS 9.8): In Directus before 9.7.0, the default settings of CORS_ORIGIN and CORS_ENABLED are true.
CVE-2025-55746 — Critical (CVSS 9.3): Directus is a real-time API and App dashboard for managing SQL database content. From 10.8.0 to before 11.9.3, a…
CVE-2026-35408 — High (CVSS 8.7): Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus's Single…
CVE-2025-30353 — High (CVSS 8.6): Directus is a real-time API and App dashboard for managing SQL database content. Starting in version 9.12.0 and prior…
CVE-2026-39942 — High (CVSS 8.5): Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, the PATCH…
CVE-2024-27295 — High (CVSS 8.2): Directus is a real-time API and App dashboard for managing SQL database content. The password reset mechanism of the…

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Other CWE-755 (Improper Handling of Exceptional Conditions) vulnerabilities

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CVE-2021-42141 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with…
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CVE-2022-23121 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk.…

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