How severe is CVE-2024-4520?

CVE-2024-4520 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-4520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-4520?

CVE-2024-4520 affects Gaizhenbiao Chuanhuchatgpt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-4520 have an EU (EUVD) identifier?

Yes. CVE-2024-4520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44134.

When was CVE-2024-4520 published?

CVE-2024-4520 was published on 2024-06-04 and last updated on 2026-06-17.

CVE-2024-4520

CVE-2024-4520 is a high-severity vulnerability in Gaizhenbiao Chuanhuchatgpt with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44134
Weakness: CWE-862
Affected product: Gaizhenbiao Chuanhuchatgpt
Published: 2024-06-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-4520?: 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.
How severe is CVE-2024-4520?: CVE-2024-4520 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-4520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-4520?: CVE-2024-4520 affects Gaizhenbiao Chuanhuchatgpt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-4520 have an EU (EUVD) identifier?: Yes. CVE-2024-4520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44134.
When was CVE-2024-4520 published?: CVE-2024-4520 was published on 2024-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gaizhenbiao:chuanhuchatgpt:*:*:*:*:*:*:*:*

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