Known exploited vulnerability
CVE-2024-11182
The short answer
CVE-2024-11182 affects MDaemon Email Server and is rated medium (CVSS 5.3). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-05-19: attackers are using it, so patch it first.
What it is
An XSS issue was discovered in MDaemon Email Server before version 24.5.1c. An attacker can send an HTML e-mail message with JavaScript in an img tag. This could allow a remote attacker to load arbitrary JavaScript code in the context of a webmail user's browser window.
Weakness: CWE-79.
Severity
5.3 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploited (CISA KEV)
Yes, since May 19, 2025
Federal due date Jun 9, 2025
EPSS, next 30 days
33%
Higher than 98% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- Passive
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
Email Server. NVD's record lists the exact affected versions.
References
- files.mdaemon.com/mdaemon/beta/RelNotes_en.html Release Notes
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11182 US Government Resource
Questions
Is CVE-2024-11182 being exploited?
Yes. CISA added CVE-2024-11182 to its Known Exploited Vulnerabilities catalog on 2025-05-19, with a federal remediation due date of 2025-06-09.
How do I fix CVE-2024-11182?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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