CVE-2021-27183
HIGHEPSS 84th pctlDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
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
Impact
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 84% of all known CVEs.
References
Related Vulnerabilities
Other CWE-610 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-27593 | Critical | 10.0 | 88% | KEV + Ransom | Fix |
| CVE-2017-18357 | Medium | 6.5 | 27% | - | Fix |
| CVE-2022-2633 | High | 7.5 | 26% | - | - |
| CVE-2017-0211 | Medium | 5.5 | 14% | - | - |
| CVE-2024-45826 | Medium | 6.8 | 12% | - | Fix |
| CVE-2020-5412 | Medium | 6.5 | 10% | - | Fix |
Common questions
How do I fix CVE-2021-27183?
Upgrade mdaemon to 20.0.4 or later.
Is CVE-2021-27183 being actively exploited?
Not that we know of. CVE-2021-27183 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.
How severe is CVE-2021-27183?
CVE-2021-27183 has a CVSS v3 base score of 7.2, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2021-27183 affect?
Published advisories record a fix for mdaemon (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2021-27183
Markdown
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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.