How severe is CVE-2023-38504?

CVE-2023-38504 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-38504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38504?

CVE-2023-38504 affects Sailsjs Sails. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38504?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-38504 published?

CVE-2023-38504 was published on 2023-07-27 and last updated on 2026-06-17.

CVE-2023-38504

CVE-2023-38504 is a high-severity vulnerability in Sailsjs Sails with a CVSS 3.x base score of 7.5. 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-248.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-248
Affected product: Sailsjs Sails
Published: 2023-07-27
Last modified: 2026-06-17

Description

Sails is a realtime MVC Framework for Node.js. In Sails apps prior to version 1.5.7,, an attacker can send a virtual request that will cause the node process to crash. This behavior was fixed in Sails v1.5.7. As a workaround, disable the sockets hook and remove the `sails.io.js` client.

Frequently asked questions

What is CVE-2023-38504?: Sails is a realtime MVC Framework for Node.js. In Sails apps prior to version 1.5.7,, an attacker can send a virtual request that will cause the node process to crash. This behavior was fixed in Sails v1.5.7. As a workaround, disable the sockets hook and remove the `sails.io.js` client.
How severe is CVE-2023-38504?: CVE-2023-38504 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-38504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38504?: CVE-2023-38504 affects Sailsjs Sails. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38504?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-38504 published?: CVE-2023-38504 was published on 2023-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sailsjs:sails:*:*:*:*:*:node.js:*:*

More vulnerabilities in Sailsjs Sails

CVE-2021-44908 — Critical (CVSS 9.8): SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function…
CVE-2018-21036 — High (CVSS 7.5): Sails.js before v1.0.0-46 allows attackers to cause a denial of service with a single request because there is no error…
CVE-2016-10549 — Medium (CVSS 4.4): Sails is an MVC style framework for building realtime web applications. Version 0.12.7 and lower have an issue with the…

All CVEs affecting Sailsjs Sails →

Other CWE-248 vulnerabilities

CVE-2018-11466 — Critical (CVSS 9.8): A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions),…
CVE-2024-42037 — Critical (CVSS 9.3): Vulnerability of uncaught exceptions in the Graphics module Impact: Successful exploitation of this vulnerability may…
CVE-2025-53620 — Critical (CVSS 9.2): @builder.io/qwik-city is the meta-framework for Qwik. When a Qwik Server Action QRL is executed it dynamically load the…
CVE-2026-46689 — High (CVSS 8.7): Kanidm is an identity management platform. Prior to version 1.9.3, a single unauthenticated GET to any /scim/v1/...…
CVE-2026-9509 — High (CVSS 8.7): An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an…
CVE-2025-9124 — High (CVSS 8.7): A denial-of-service security issue in the affected product. The security issue stems from a fault occurring when a…

Browse all CWE-248 vulnerabilities →