What is the CVSS score of CVE-2024-4520?

CVE-2024-4520 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2024-4520?

Yes, a public proof-of-concept exploit is available for CVE-2024-4520. Prioritise patching immediately. EPSS: 0.5%.

Chuanhuchatgpt CVE-2024-4520

HIGH

Missing Authorization (CWE-862)

2024-06-04 security@huntr.dev

Authentication Bypass Chuanhuchatgpt

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 04, 2024 - 20:15 nvd

HIGH 7.5

DescriptionNVD

An improper access control vulnerability exists in the gaizhenbiao/chuanhuchatgpt application, specifically in version 20240410. This vulnerability allows any user on the server to access the chat history of any other user without requiring any form of interaction between the users. Exploitation of this vulnerability could lead to data breaches, including the exposure of sensitive personal details, financial data, or confidential conversations. Additionally, it could facilitate identity theft and manipulation or fraud through the unauthorized access to users' chat histories. This issue is due to insufficient access control mechanisms in the application's handling of chat history data.

AnalysisAI

An improper access control vulnerability exists in the gaizhenbiao/chuanhuchatgpt application, specifically in version 20240410. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. An improper access control vulnerability exists in the gaizhenbiao/chuanhuchatgpt application, specifically in version 20240410. This vulnerability allows any user on the server to access the chat history of any other user without requiring any form of interaction between the users. Exploitation of this vulnerability could lead to data breaches, including the exposure of sensitive personal details, financial data, or confidential conversations. Additionally, it could facilitate identity theft and manipulation or fraud through the unauthorized access to users' chat histories. This issue is due to insufficient access control mechanisms in the application's handling of chat history data. Affected products include: Gaizhenbiao Chuanhuchatgpt. Version information: version 20240410..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.