Is CVE-2021-27183 in the CISA KEV catalog?

No. CVE-2021-27183 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27183?

CVE-2021-27183 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-27183?

CVE-2021-27183 has an EPSS score of 2.70% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27183?

Upgrade mdaemon to 20.0.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-27183

HIGHEPSS 84th pctl

7.2

CVSS v3

NVD

Description

An issue was discovered in MDaemon before 20.0.4. Administrators can use Remote Administration to exploit an Arbitrary File Write vulnerability. An attacker is able to create new files in any location of the filesystem, or he may be able to modify existing files. This vulnerability may directly lead to Remote Code Execution.

CWE-610

How to fix

Remediation Available

mdaemonNVD

Affected:< 20.0.4Fixed in:20.0.4CVE-2021-27183derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.70%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit1

github.com

Vendor Advisory1

altn.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.