CVE-2025-4427: Ivanti Endpoint Manager Mobile (EPMM) Authentication Bypass Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 19 May 2025, 6 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 99.9%
EPSS score, percentile 100 of all scored records
- How severe?
- 5.3 Medium
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 9 Jun 2025. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Unaffected 12.5.0.1
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
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 due date for this action: 9 June 2025.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM
- https://nvd.nist.gov/vuln/detail/CVE-2025-4427
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Unaffected | 12.5.0.1 |
Versions not listed are: affected.
Versions the record lists as unaffected: 12.5.0.1.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2025-4427 to its Known Exploited Vulnerabilities (KEV) catalog on 19 May 2025.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 9 Jun 2025.
- The CVE record was published on 13 May 2025, 6 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 5.3 (Medium), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 99.9% (percentile 100), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
Authentication Bypass
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-288: Authentication Bypass Using an Alternate Path or Channel
Attack patterns (CAPEC)
- CAPEC-115: Authentication Bypass
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 13 May 2025 | CVE record published |
| 19 May 2025 | Added to CISA KEV |
| 9 Jun 2025 | CISA due date for the required action |
| 26 Feb 2026 | CVE record last updated |
References
More exploited Ivanti vulnerabilities
- CVE-2026-104935: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
- CVE-2026-10520: Ivanti Sentry OS Command Injection Vulnerability
- CVE-2026-6973: Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
- CVE-2026-1340: Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability
- CVE-2026-1603: Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability
- CVE-2026-1281: Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability