SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27182

There is an IFRAME injection vulnerability in Webmail (aka WorldClient).

HIGH 8.8EPSS 1.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.55% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-74
Affected
altn/mdaemon
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.