Insecure Permissions vulnerability in CMSimple v.5.16 allows a remote attacker to obtain sensitive information via a crafted script to the…

published 2025-01-27 last yr. modified 2026-06-17 4mo ago also EUVD-2024-53622

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

Insecure Permissions vulnerability in CMSimple v.5.16 allows a remote attacker to obtain sensitive information via a crafted script to the Functionality of downloading php backup files.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: last yr. (2025-01-28)

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

github.com https://github.com/h4ckr4v3n/cmsimple5.16_research/blob/main/CMSimple%205.16%20Remote%20Code%20Execution%20via%20backup%20file%20editing.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

github.com /h4ckr4v3n/cmsimple5.16_research/blob/main/CMSimple%205.16%20Remote%20Code%20Execution%20via%20backup%20file%2
exploit, third-party-advisory
gist.github.com /h4ckr4v3n/afbb87b5a05f283dbee705709c2769eb
third-party-advisory

Sources

CVE List CVE-2024-57547
NVD CVE-2024-57547

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