CVE-2025-4427: Ivanti Endpoint Manager Mobile (EPMM)

Should you act?

Exploited: patch now if you run it

CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.

Yes, if you run Ivanti Endpoint Manager Mobile (EPMM). CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-05-19, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-06-09; treat that as the outer limit, not the target.
EPSS 99.9%, percentile 100.0: FIRST’s model estimates a 99.9% chance of exploitation activity in the next 30 days, higher than 100.0% of all scored CVEs (very high). EPSS is a probability, not a verdict.
Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.

What it is

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.

CISA’s summary

Ivanti Endpoint Manager Mobile (EPMM) contains an authentication bypass vulnerability in the API component that allows an attacker to access protected resources without proper credentials via crafted API requests. This vulnerability results from an insecure implementation of the Spring Framework open-source library.

Weakness type: CWE-288.

Product: Ivanti Endpoint Manager Mobile (EPMM) · Assigned by: ivanti · Published: 2025-05-13

Affected and fixed versions

Vendor	Product	Affected versions (per CVE record)
Ivanti	Endpoint Manager Mobile	see vendor advisory

Severity scores

Scored by	CVSS	Score	Vector
ivanti	3.1	5.3 Medium	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`

Attack vector: network (remotely reachable)
Attack complexity: low
Privileges required: none (no login)
User interaction: none
Scope: unchanged

CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.

Exploitation and urgency

CISA KEV: added 2025-05-19; federal due date 2025-06-09. Known ransomware use: Unknown.
CISA 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.
CISA SSVC assessment: exploitation active, automatable yes, technical impact total.
FIRST EPSS (model of 2026-10-21): 99.93% probability of exploitation activity in the next 30 days; percentile 100.0.

Timeline

2025-05-13 — CVE record published by ivanti
2025-05-19 — Added to CISA’s Known Exploited Vulnerabilities catalog
2025-06-09 — CISA remediation deadline for US federal agencies
2026-02-26 — CVE record last updated

Sources and references

Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.