Arbitrary file upload in Mingsoft Mcms

CVE-2022-30506

An arbitrary file upload vulnerability was discovered in MCMS 5.2.7, allowing an attacker to execute arbitrary code through a crafted ZIP file.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-30506: held from 0.026 to 0.026.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-30506?
CVE-2022-30506 is a critical-severity vulnerability in Mingsoft Mcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-06-02.
How severe is CVE-2022-30506?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-30506 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.