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CVE-2023-31579

26
FAUCET Score

CVE-2023-31579 affects Dromara Lamp-Cloud versions prior to 3.8.1, stemming from the use of a hardcoded cryptographic key for JSON Web Token (JWT) creation and verification. This critical vulnerability (CVSS 9.8) allows unauthenticated attackers to forge JWTs, gaining full control over the application with high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.8.1CPE matchmatch criteria
cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 31st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: top.tangyh.basic:lamp-coreFixed in: 3.8.1
mavenpatch availablevia ghsa
Product: top.tangyh.basic:lamp-utilFixed in: 3.8.1

Vendor Advisories (1)

mavenGHSA-xr8c-mq5x-5f56high

Dromara Lamp-Cloud Use of Hard-coded Cryptographic Key

Nov 3, 2023

References

github.com / dromara/lamp-cloud/issues/183
Issue TrackingPatchVendor Advisory
github.com / xubowenW/JWTissues/blob/main/lamp%20issue.md
Third Party Advisory