How severe is CVE-2021-46037?

CVE-2021-46037 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-46037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46037?

CVE-2021-46037 affects Mingsoft Mcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46037?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-46037 published?

CVE-2021-46037 was published on 2022-02-18 and last updated on 2026-06-17.

CVE-2021-46037

CVE-2021-46037 is a high-severity vulnerability in Mingsoft Mcms with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mingsoft Mcms
Published: 2022-02-18
Last modified: 2026-06-17

Description

MCMS v5.2.4 was discovered to contain an arbitrary file deletion vulnerability via the component /template/unzip.do.

Frequently asked questions

What is CVE-2021-46037?: MCMS v5.2.4 was discovered to contain an arbitrary file deletion vulnerability via the component /template/unzip.do.
How severe is CVE-2021-46037?: CVE-2021-46037 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-46037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46037?: CVE-2021-46037 affects Mingsoft Mcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-46037 published?: CVE-2021-46037 was published on 2022-02-18 and last updated on 2026-06-17.

References

https://lycshub.github.io/2021/12/28/MCMS-vulnerabilities/

Affected products (1)

cpe:2.3:a:mingsoft:mcms:5.2.4:*:*:*:*:*:*:*

More vulnerabilities in Mingsoft Mcms

CVE-2025-56316 — Critical (CVSS 9.8): A SQL injection vulnerability in the content_title parameter of the /cms/content/list endpoint in MCMS 5.5.0 allows…
CVE-2025-29287 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary…
CVE-2023-50578 — Critical (CVSS 9.8): Mingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the categoryType parameter at…
CVE-2020-20913 — Critical (CVSS 9.8): SQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to execute arbitrary code via…
CVE-2022-36599 — Critical (CVSS 9.8): Mingsoft MCMS 5.2.8 was discovered to contain a SQL injection vulnerability in /mdiy/model/delete URI via models Lists.
CVE-2022-36272 — Critical (CVSS 9.8): Mingsoft MCMS 5.2.8 was discovered to contain a SQL injection vulnerability in /mdiy/page/verify URI via fieldName…

All CVEs affecting Mingsoft Mcms →