How severe is CVE-2025-4427?

CVE-2025-4427 has a CVSS score of 5.3/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2025-4427?

Affected package information for CVE-2025-4427 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2025-4427?

No fixed version has been published for CVE-2025-4427 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2025-4427 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2025-4427, including 1 documented proof-of-concept exploit on Exploit-DB. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2025-4427?

CVE-2025-4427 has an EPSS (Exploit Prediction Scoring System) score of 91.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2025-4427 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2025-4427 (Ivanti Endpoint Manager Mobile (EPMM) Authentication Bypass Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-05-19. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-06-09. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2025-4427?

CVE-2025-4427 is classified as CWE-288 (CWE-288). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2025-4427?

CVE-2025-4427 affects ivanti endpoint manager mobile (1 version, e.g. 12.5.0.0). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2025-4427?

A Nuclei detection template exists for CVE-2025-4427, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2025-4427 published, and has it been updated?

CVE-2025-4427 was published on May 13, 2025 and was last updated on October 24, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-05-19 — agencies required to remediate by 2025-06-09

CVE-2025-4427

MEDIUM

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.

Published

May 13, 2025

Updated

Oct 24, 2025

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

91.3%probability of exploitation in next 30 days

Very High Risk100th percentile-0.33%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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.

Affected Products

1 product · 4 configurations

Application

endpoint manager mobileivanti

≥ 12.4.0.0 && < 12.4.0.2

1 version

12.5.0.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-52421remotemultiple

Ivanti Endpoint Manager Mobile 12.5.0.0 - Authentication Bypass

by İbrahimsql · Aug 26, 2025

Exploit-DB Source

Frequently Asked Questions

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.

O3 Security · Impact-Aware SCA

Is CVE-2025-4427 in your stack?

O3 detects CVE-2025-4427 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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