Security readout for executives and security teams
Plain-English summary
This vulnerability affects Microsoft Defender for Endpoint on Android and could let an attacker spoof trusted security behavior. The rated impact is high because successful exploitation could compromise confidentiality and integrity, though it requires user interaction. The provided sources do not show active exploitation.
Executive priority
Treat this as a high-priority mobile security update for Android fleets using Microsoft Defender for Endpoint. It is not confirmed exploited, but the potential confidentiality and integrity impact justifies prompt validation and patch tracking.
Technical view
CVE-2024-49057 is a CWE-20 improper input validation issue in Microsoft Defender for Endpoint for Android. The CVSS 3.1 score is 8.1: network reachable, low complexity, no privileges required, user interaction required, with high confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is likely limited to organizations running Microsoft Defender for Endpoint for Android, with version 1.0.0.0 listed as affected. Validate managed Android fleets, MDM inventory, and any BYOD deployments where Defender is required.
Exploitation context
The source bundle does not cite exploitation in the wild. KEV is false, and the CVSS exploit maturity is unproven. The risk remains material because the attack is network-based, low complexity, and requires no prior privileges, but it does require user interaction.
Researcher notes
The public bundle provides severity, CVSS vector, CWE-20, affected product/version, and Microsoft advisory reference, but limited technical detail. Do not infer exploit mechanics, affected Android OS versions, or fixed builds beyond vendor guidance.
Mitigation direction
Review Microsoft MSRC guidance for CVE-2024-49057.
Update Microsoft Defender for Endpoint on Android per vendor guidance.
Prioritize managed Android devices with sensitive business access.
Enforce MDM compliance for Defender app version and update status.
Monitor Microsoft advisory updates for revised affected versions or mitigations.
Validation and detection
Inventory Android devices running Microsoft Defender for Endpoint.
Confirm installed Defender versions against Microsoft guidance.
Check MDM compliance reports for outdated or unmanaged devices.
Verify update deployment success across corporate and BYOD profiles.
Review mobile security alerts for suspicious spoofing-related user activity.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · low confidence lookup
CWE-20: 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.
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.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-20 · source CWE mapping
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.