CVE-2025-4427
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.
do firstApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Can a WAF block it? Partly. Cloudflare publishes WAF a rule written for this CVE. Such rules block the known exploit requests and buy time, but attackers can change the request to get past them, so they do not replace the patch.
Cloudflare · 1 rule (Block) · since 27 May 2025
- Ivanti EPMM - Auth Bypass - CVE:CVE-2025-4428, CVE:CVE-2025-4427 · Cloudflare Managed Ruleset
Also consider: patch · enable the vendor rule in block mode
Based on WAF vendor rules published for this CVE. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.
Is CVE-2025-4427 being exploited?
Yes. CVE-2025-4427 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2025-4427?
CVE-2025-4427 is rated Medium with a CVSS score of 5.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-4427?
Yes. A fix has been recorded for CVE-2025-4427. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-4427 affect?
CVE-2025-4427 affects ivanti:endpoint_manager_mobile. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
public exploits
Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 2 GitHub proofs of concept · 1 Nuclei template
- Ivanti Endpoint Manager Mobile 12.5.0.0 - Authentication Bypass · remote · 26 Aug 2025
- exploit/multi/http/ivanti_epmm_rce_cve_2025_4427_4428 · exploit · excellent
- Ivanti Endpoint Manager Mobile - Unauthenticated Remote Code Execution · detection template · critical
Listed so you can judge urgency, not as a recommendation to run anything. GitHub “proofs of concept” are unvetted: some are fake or carry malware. Exploit-DB marks the entries its staff verified.
cisa ssvc
- exploitation
- active
- automatable
- yes
- technical impact
- total
Assessed by CISA 21 May 2025 (SSVC 2.0.3).
timeline
- 13 May 2025Published
- 15 May 2025First public exploit or proof of concept · 1 day later
- 19 May 2025Added to CISA KEV (exploited in the wild) · 4 days later
- 21 May 2025CISA SSVC assessment: exploitation active · 2 days later
- 9 Jun 2025CISA remediation due date (US federal agencies) · 19 days later
- 26 Feb 2026CVE record last updated · 263 days (about 9 months) later
- 2 Nov 2026Analysed by vulneraibility.com · 249 days (about 8 months) later
- Linkforums.ivanti.com /s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM
- Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-4427
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA KEV catalog: exploitation, date added, due date
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Exploit-DB: published exploits
- Metasploit Framework: exploit and scanner modules
- Nuclei templates: detection templates
- PoC-in-GitHub: GitHub repositories that claim a proof of concept
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.