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Exploited vulnerability · CISA KEV

Is CVE-2025-4427 exploited? Yes: in CISA KEV since 19 May 2025

Gociux · Ivanti Endpoint Manager Mobile (EPMM) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-4427, Ivanti Endpoint Manager Mobile (EPMM) Authentication Bypass Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 19 May 2025, 6 days after it was published. It affects Ivanti Endpoint Manager Mobile (EPMM). If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 19 May 2025
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity5.3CVSS 3.1 · medium
US federal due9 Jun 2025BOD 22-01 deadline

What it is

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.

VendorIvanti (38 exploited CVEs in KEV)
ProductEndpoint Manager Mobile (EPMM)
VulnerabilityIvanti Endpoint Manager Mobile (EPMM) Authentication Bypass Vulnerability
WeaknessCWE-288
Published13 May 2025
Added to KEV19 May 2025
Reported by (CNA)ivanti

What to do

  1. Check whether you run it. Look for Endpoint Manager Mobile (EPMM) in your asset inventory, including appliances and cloud images. Stack check lists every exploited Ivanti CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 13 May 2025.
  4. Get told next time. Email alerts when CISA adds a CVE for Ivanti.

Other exploited CVEs in Endpoint Manager Mobile (EPMM)

References

Questions

Is CVE-2025-4427 being exploited?

Yes. CISA added CVE-2025-4427 to the Known Exploited Vulnerabilities catalog on 19 May 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2025-4427 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2025-4427?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check Ivanti's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Endpoint Manager Mobile (EPMM) and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in May 2025 · Ivanti scorecard · act-now radar.

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