RCE in Mingsoft Mcms

CVE-2021-46063

MCMS v5.2.5 was discovered to contain a Server Side Template Injection (SSTI) vulnerability via the Template Management module.

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.5% 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-2021-46063: held from 0.027 to 0.027.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-46063?
CVE-2021-46063 is a critical-severity vulnerability in Mingsoft Mcms, classified under Code Injection. CVSS score: 9.1/10. Published 2022-02-18.
How severe is CVE-2021-46063?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2021-46063 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.