CVE-2021-27182
HIGHCVSS 8.8/10EPSS 1.55%
Last modified
CVE-2021-27182 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in MDaemon before 20.0.4. There is an IFRAME injection vulnerability in Webmail (aka WorldClient). EPSS estimates a 1.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Altn | Mdaemon | < 20.0.4 |
References
- https://github.com/chudyPB/MDaemon-AdvisoriesExploit, Third Party Advisory
- https://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/Release Notes, Vendor Advisory
- https://github.com/chudyPB/MDaemon-AdvisoriesExploit, Third Party Advisory
- https://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-27182?
CVE-2021-27182 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27182?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-27182?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST