DedeCMS module_main.php GetSystemFile code injection

published 2023-04-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33582

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

A vulnerability was found in DedeCMS up to 5.7.87 and classified as critical. This issue affects the function GetSystemFile of the file module_main.php. The manipulation leads to code injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-225941 was assigned to this vulnerability.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-02-06)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gitee.com https://gitee.com/ashe-king/cve/blob/master/dedecms%20rce2.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a DedeCMS

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

gitee.com /ashe-king/cve/blob/master/dedecms%20rce2.md
exploit, third-party-advisory
vuldb.com /?id.225941
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.225941
signature, permissions-required, third-party-advisory

Sources

CVE List CVE-2023-2056
NVD CVE-2023-2056

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.

Summary