Security readout for executives and security teams
NBMonitor 1.6.8 has a buffer overflow in its registration key input that can crash the application. The public sources describe denial of service, not data theft or code execution. Business urgency is highest where NBMonitor is relied on for availability monitoring or administrative visibility. Exposure appears limited to environments running NBMonitor 1.6.8. Practical risk depends on who can access the registration interface and whether the application supports operational monitoring. Public sources do not identify other affected versions or platforms. Treat as a targeted availability risk, not a broad enterprise compromise based on current evidence. Prioritize if NBMonitor supports critical monitoring workflows or is installed on sensitive administrative workstations. Mitigation focus: Inventory systems for NBMonitor and identify any version 1.6.8 installations.; Check Nsauditor guidance for an updated version, workaround, or retirement recommendation.; Restrict access to NBMonitor interfaces to trusted administrators only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2021-47814 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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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:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49964CVE reference · exploit
- VulnCheck Advisory: NBMonitor 1.6.8 - Denial of Service (PoC)CVE reference · third-party-advisory
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.