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Fencer Vulns
medium 4.3

CVE-2024-3686 json

DedeCMS update_guide.php path traversal

published 2024-04-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-32261

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

A vulnerability has been found in DedeCMS 5.7.112-UTF8 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file update_guide.php. The manipulation of the argument files leads to path traversal: '../filedir'. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260473 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Echosssy/CVE/blob/main/Dedecms%E6%9C%80%E6%96%B0%E7%89%88%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E5%88%A0%E9%99%A4%E7%BB%95%E8%BF%87.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • n/a DedeCMS
  • dedecms dedecms

Classification

Weakness
  • CWE-24 Path Traversal: '../filedir'
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.