CVE-2024-40543Public exploitNetwork attack vector

Authenticated SSRF via unrestricted catchimage URL

Published Jul 12, 2024 · Updated Aug 2, 2024

SSRF in PublicCMS 4.0.202302.e allows remote authenticated users to make server-side requests through the catchimage editor action. The /admin/ueditor handler accepts a user-supplied remote image URL and fetches it from the server without restricting the destination. Access to the administrative interface is required, and successful exploitation can read or modify resources reachable from the CMS host.

CVSS severity8.8
High
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in PublicCMS 4.0.202302.e allows remote authenticated users to make server-side requests through the catchimage editor action. The /admin/ueditor handler accepts a user-supplied remote image URL and fetches it from the server without restricting the destination. Access to the administrative interface is required, and successful exploitation can read or modify resources reachable from the CMS host.

The record

CVE
CVE-2024-40543
Published
Jul 12, 2024
Updated
Aug 2, 2024
Vendor
Tianjin Black Core Technology Co., LTD.
Product
PublicCMS
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0.202302.e

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tianjin Black Core Technology Co., LTD. · PublicCMSversion=4.0.202302.e

Published CVSS scores

6.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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