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VulnerabilityPublished Updated

CVE-2024-46373: Dedecms · Unrestricted File Upload

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Sep 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Immediately restrict access to the Dedecms backend interface to trusted IP addresses or VPN users only, minimizing exposure to potential attackers.
  2. Implement strict file upload validation and filtering at the web server or application firewall level to block executable file types and suspicious payloads.
  3. Monitor server logs and file upload directories for unusual or unauthorized file uploads and promptly investigate anomalies.
  4. Disable or limit file upload functionality in the backend if not essential for operations.
  5. Employ web application firewalls (WAFs) with custom rules to detect and block malicious upload attempts targeting Dedecms.
  6. Prepare for rapid patch deployment by tracking vendor advisories and subscribing to security bulletins related to Dedecms.
  7. Conduct regular security audits and penetration tests focusing on file upload mechanisms.
  8. Educate administrators and backend users about the risks of uploading untrusted files and enforce strong authentication and session management controls.
  9. Consider isolating Dedecms instances in segmented network zones to limit lateral movement in case of compromise.

Description

Dedecms V5.7.115 contains an arbitrary code execution via file upload vulnerability in the backend.

References

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