CVE-2023-31579

Name: CVE-2023-31579
Creator: NVD / NIST
Published: 2023-11-02T22:15:08.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2023-31579 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. This vulnerability allows attackers to authenticate to the application via a crafted JWT token.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. This vulnerability allows attackers to authenticate to the application via a crafted JWT token.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Tangyh	Lamp-Cloud	< 3.8.1

References

https://github.com/dromara/lamp-cloud/issues/183Issue Tracking, Patch, Vendor Advisory
https://github.com/xubowenW/JWTissues/blob/main/lamp%20issue.mdThird Party Advisory
https://github.com/dromara/lamp-cloud/issues/183Issue Tracking, Patch, Vendor Advisory
https://github.com/xubowenW/JWTissues/blob/main/lamp%20issue.mdThird Party Advisory

Timeline

Published: Nov 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31579?

How severe is CVE-2023-31579?

CVE-2023-31579 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31579?

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-2023-31579?

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

Scan your code now

Source: NVD / NIST