Security readout for executives and security teams
Plain-English summary
Ivanti Endpoint Manager Mobile has an API authentication bypass that can let an unauthenticated attacker reach protected resources. The technical severity is medium, but CISA lists it in KEV, meaning known exploitation exists. Organizations using exposed Ivanti EPMM should treat this as urgent despite the CVSS score.
Executive priority
Prioritize as a near-term remediation item for any exposed EPMM deployment. Although the base score is medium, CISA KEV status means real-world exploitation has been observed, changing the business risk profile.
Technical view
CVE-2025-4427 is a CWE-288 authentication bypass in the EPMM API. The CVSS 3.1 vector is network-reachable, low complexity, no privileges, no user interaction, with limited confidentiality impact. The source bundle identifies EPMM 12.5.0.0 and prior, while its affected version field is inconsistent.
Likely exposure
Exposure is most relevant where Ivanti Endpoint Manager Mobile API endpoints are reachable from untrusted networks. Internet-facing management infrastructure increases urgency, especially because CISA KEV indicates exploitation in the wild.
Exploitation context
Active exploitation is supported by the CISA Known Exploited Vulnerabilities listing. The provided sources do not describe attacker tooling, affected deployment patterns, or whether exploitation requires chaining with another flaw.
Researcher notes
The source data has a version inconsistency: the description says 12.5.0.0 and prior, while the affected list names 12.5.0.1. Validate directly against Ivanti’s advisory before scoping remediation or writing detections.
Mitigation direction
- Review Ivanti’s advisory for the vendor-approved fix or workaround.
- Prioritize remediation for internet-facing EPMM instances.
- Restrict API access to trusted networks where operationally possible.
- Monitor Ivanti and CISA updates for corrected affected-version details.
- Do not rely on CVSS alone because KEV raises operational urgency.
Validation and detection
- Inventory all Ivanti Endpoint Manager Mobile deployments and versions.
- Confirm whether API endpoints are externally reachable.
- Check whether the instance matches Ivanti’s advisory scope.
- Review access logs for unauthenticated API access anomalies.
- Verify remediation status against current Ivanti guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-288: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-4427 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMMCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-4427CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authentication Bypass Using an Alternate Path or Channel
Authentication Bypass Using an Alternate Path or Channel represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.