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CVE-2023-30591

HIGHCVSS 7.5/10EPSS 53.80%

Last modified

CVE-2023-30591 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.. EPSS estimates a 53.80% chance of exploitation in the next 30 days.

Description

Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
53.80%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NodebbNodebb<= 2.8.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-30591?
Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.
How severe is CVE-2023-30591?
CVE-2023-30591 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 53.80% probability of exploitation in the next 30 days.
How do I fix CVE-2023-30591?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30591?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST