Cyber Resilience

CVE-2021-41392

CriticalPublic PoC

Published: 17 September 2021

Published
17 September 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0706 91.7th percentile
Risk Priority 24 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41392 is a critical-severity Injection (CWE-74) vulnerability in Boostnote Boostnote. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 8.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

static/main-preload.js in Boost Note through 0.22.0 allows remote command execution. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which invokes the dangerous openExternal Electron API.

CWE(s)
CWE-74

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

boostnote
boostnote
≤ 0.22.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SA-11 Developer Testing and Evaluation
addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

SI-4 System Monitoring
addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References