How severe is CVE-2022-27340?

CVE-2022-27340 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-27340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27340?

CVE-2022-27340 affects Mingsoft Mcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27340?

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-2022-27340 published?

CVE-2022-27340 was published on 2022-04-22 and last updated on 2026-06-17.

CVE-2022-27340

CVE-2022-27340 is a high-severity vulnerability in Mingsoft Mcms with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Mingsoft Mcms
Published: 2022-04-22
Last modified: 2026-06-17

Description

MCMS v5.2.7 contains a Cross-Site Request Forgery (CSRF) via /role/saveOrUpdateRole.do. This vulnerability allows attackers to escalate privileges and modify data.

Frequently asked questions

What is CVE-2022-27340?: MCMS v5.2.7 contains a Cross-Site Request Forgery (CSRF) via /role/saveOrUpdateRole.do. This vulnerability allows attackers to escalate privileges and modify data.
How severe is CVE-2022-27340?: CVE-2022-27340 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-27340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27340?: CVE-2022-27340 affects Mingsoft Mcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27340?: 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-2022-27340 published?: CVE-2022-27340 was published on 2022-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mingsoft:mcms:5.2.7:*:*:*:*:*:*:*

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