Security readout for executives and security teams
CVE-2021-47813 affects Nsauditor Backup Key Recovery 2.2.7.0. A malformed or oversized registration-code entry can crash the application, causing denial of service. The public sources identify a proof of concept, but do not show confirmed active exploitation or a vendor patch. Exposure appears limited to systems where Nsauditor Backup Key Recovery 2.2.7.0 is installed and reachable by users or workflows that interact with registration entry. The provided CVSS vector says network exploitable, but the description centers on input into a local application field, so validate deployment context. Treat as a targeted availability risk, not a data theft issue based on current sources. Prioritize if the tool supports operational recovery workflows or is used on shared systems. Confirm whether the product is present before allocating emergency response resources. Mitigation focus: Identify and prioritize any Backup Key Recovery 2.2.7.0 installations.; Check Nsauditor guidance for an updated version or official workaround.; Remove the software where it is not business-critical..
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-2021-47813 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-49966CVE reference · exploit
- VulnCheck Advisory: Backup Key Recovery 2.2.7 - 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.