CVE-2024-35510Public exploitNetwork attack vector

Code execution via blacklist-bypassing file upload

Published May 28, 2024 · Updated Feb 13, 2025

Arbitrary file upload in DedeCMS 5.7.114 allows remote authenticated users to execute code through the administrative file manager. In dede/file_manage_control.php, a denylist scans uploaded content for dangerous function names but fails to block inclusion functions and obfuscated callable names. Administrative file-manager access is required to create a PHP loader and a second payload file, after which requesting the loader executes the payload as the web-server account.

CVSS severity9.8
Critical
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in DedeCMS 5.7.114 allows remote authenticated users to execute code through the administrative file manager. In dede/file_manage_control.php, a denylist scans uploaded content for dangerous function names but fails to block inclusion functions and obfuscated callable names. Administrative file-manager access is required to create a PHP loader and a second payload file, after which requesting the loader executes the payload as the web-server account.

The record

CVE
CVE-2024-35510
Published
May 28, 2024
Updated
Feb 13, 2025
Vendor
Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev)
Product
DedeCMS
Classifications
CWE-434, CAPEC-1, T1505.003, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 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=5.7.114

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev) · DedeCMSversion=5.7.114

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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-434Unrestricted Upload of File with Dangerous Type
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1505.003Web Shell
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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