What is the CVSS score of CVE-2023-31579?

CVE-2023-31579 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2023-31579?

Yes, a patch is available for CVE-2023-31579. Update the affected software to the latest version immediately.

Lamp Cloud CVE-2023-31579

CRITICAL

Use of Hard-coded Credentials (CWE-798)

2023-11-02 cve@mitre.org

Authentication Bypass Lamp Cloud

9.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-798 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Credential externalization MITRE ATT&CK 2 techniques across 2 tactics: Persistence, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

Affected Packages

maven top.tangyh.basic:lamp-core fix: 3.8.1

maven top.tangyh.basic:lamp-util fix: 3.8.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. 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. Affected products include: Tangyh Lamp-Cloud.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score

0.7%

Top 52% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 0.7%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.