Background exploitation KEV catalog No authentication
CVE-2025-4427

Ivanti Endpoint Manager Mobile (EPMM) Authentication Bypass Vulnerability

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.

CheckOps priority index
7.5/10 Patch within 7 days
Severity5.3
Probability10.0
Exploitation4/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 99.9% higher than 99.97% of CVEs
CVSS 3.1 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:
Exploited for 533 days 19 May 2025
CISA due date 09 Jun 2025 for US federal agencies

Exploitation probability EPSS · FIRST

05010025 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 4 / 5

  • KEV catalog (CISA)19 May 2025
  • Exploited in EUVD (ENISA)19 May 2025
  • Used by ransomwareno
  • EPSS above 10 %99.9%
  • No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

Endpoint Manager MobileEndpoint Manager Mobile (EPMM)
Affected versions
  • patch: 12.5.0.1
Weaknesses (CWE)

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

  5. EPSS peak: 99.9%

References

Other exploited vulnerabilities from the same vendor

  • CVE-2026-118527Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
    1.0 · Rising fast
  • CVE-2026-111357Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability
    4.0 · Rising fast
  • CVE-2026-104935Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
    8.4 · Rising fast
  • CVE-2026-10520Ivanti Sentry OS Command Injection Vulnerability
    9.4 · Actively exploited
  • CVE-2026-6973Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
    5.7 · Actively exploited
  • CVE-2026-1603Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability
    8.5 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities