CVE-2021-27182

An issue was discovered in MDaemon before 20.0.4. There is an IFRAME injection vulnerability in Webmail (aka WorldClient). It can be exploited via an email message. It allows an attacker to perform any action with the privileges of the attacked user.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
VendorProductVersion
altnmdaemon
𝑥
< 20.0.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/chudyPB/MDaemon-Advisories
https://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/
https://github.com/chudyPB/MDaemon-Advisories
https://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/