CVE-2024-40547Network attack vector

Authenticated file overwrite via unchecked template path

Published Jul 12, 2024 · Updated Mar 13, 2025

Arbitrary file replacement in PublicCMS 4.0.202302.e allows remote authenticated users to overwrite files through its template-replace endpoint. The CmsTemplateAdminController replace flow accepts traversal sequences in replaceList path values and rewrites matched content without confining the resolved path to the site's template directory. A backend session is required; successful requests alter application-accessible files, affecting integrity without reported disclosure or service interruption.

CVSS severity6.5
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file replacement in PublicCMS 4.0.202302.e allows remote authenticated users to overwrite files through its template-replace endpoint. The CmsTemplateAdminController replace flow accepts traversal sequences in replaceList path values and rewrites matched content without confining the resolved path to the site's template directory. A backend session is required; successful requests alter application-accessible files, affecting integrity without reported disclosure or service interruption.

The record

CVE
CVE-2024-40547
Published
Jul 12, 2024
Updated
Mar 13, 2025
Vendor
Tianjin Black Core Technology Co., LTD.
Product
PublicCMS
Classifications
CWE-284, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 13, 2025Record 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

6.5NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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