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VulnerabilityCVE-2024-11182Published 2024-11-15

CVE-2024-11182 — Mdaemon

mediumCISA KEVPublic exploit1 PoC repo

As of 2025-10-21, CVE-2024-11182 is a MEDIUM-severity vulnerability in Mdaemon, CVSS v3.1 6.1, EPSS 17.5% (97.0th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-19), with a US federal remediation deadline of 2025-06-09. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2024-11182, most recently “Operation RoundPress: TA458 Deploys SpyPress Malware via Half-Click Webmail Zero-Days (CVE-2025-27915, CVE-2025-3929, CVE-2026-8496)”.

CVSS v3.1
6.1/10Medium
EPSS
17.5%Higher than 97.0% of scored CVEs
CISA KEV
ListedAdded · due 2025-06-09
Tracked threats
2Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2025-10-21
CVSS v3.1 6.1 (MEDIUM) · CVSS v4.0 5.3 · EPSS 17.5% (higher than 97.0% of all scored CVEs) · Priority 9/10 · Published 2024-11-15

Last updated:

What is CVE-2024-11182?

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.

The record classifies CVE-2024-11182 under weakness class CWE-79. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 714 days ago.

Severity and exploitation probability

CVSS v3.1 base score
6.1 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0 base score
5.3
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
EPSS (FIRST)
17.5% probability of exploitation in the next 30 days, higher than 97.0% of all scored CVEs
CISA KEV
Listed since 2025-05-19, federal remediation deadline 2025-06-09
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2024-11-15, last modified 2025-10-21

Is CVE-2024-11182 being exploited?

CISA added CVE-2024-11182 to the Known Exploited Vulnerabilities catalog on 2025-05-19, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-06-09 under BOD 22-01. Weaponised exploit code for CVE-2024-11182 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 47 in the Threadlinqs vulnerability feed.

Affected products and versions

  • Mdaemon: Mdaemon

How to fix CVE-2024-11182

Because CVE-2024-11182 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-06-09. No vendor patch reference has been recorded for CVE-2024-11182 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2024-11182

2 tracked threats in the Threadlinqs corpus reference CVE-2024-11182, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on .

Other references