Threat Intelligence / CVE / CVE-2025-4427

CVE-2025-4427 — Ivanti Endpoint Manager Mobile

CISA KEV
CVSS v3.1 5.3 (MEDIUM) · EPSS 91.5% (higher than 99.6% of all scored CVEs) · Priority 9/10 · Published 2025-05-13

As of 2025-10-24, CVE-2025-4427 is a MEDIUM-severity vulnerability in Ivanti Endpoint Manager Mobile, CVSS v3.1 5.3, EPSS 91.5% (99.6th 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 1 tracked threat campaign to CVE-2025-4427, most recently “APT41/Silver Dragon Expanding Enterprise Attack Surface — Google Drive C2, AppDomain Hijacking, Cloud/Supply Chain Targeting”.

Last updated: 2025-10-24

What is CVE-2025-4427?

An authentication bypass in the API component of Ivanti Endpoint Manager Mobile 12.5.0.0 and prior allows attackers to access protected resources without proper credentials via the API.

The record classifies CVE-2025-4427 under weakness class CWE-288. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 488 days ago.

Severity and exploitation probability

CVSS v3.1 base score
5.3 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (FIRST)
91.5% probability of exploitation in the next 30 days, higher than 99.6% 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
2025-05-13, last modified 2025-10-24

Is CVE-2025-4427 being exploited?

CISA added CVE-2025-4427 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. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2025-4427

Vendor advisory: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM. Because CVE-2025-4427 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-06-09. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2025-4427

1 tracked threat in the Threadlinqs corpus references CVE-2025-4427, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2025-4427 are available via the Threadlinqs MCP server (Purple tier). View plans →

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