Resource exhaustion in Nsasoft Nsauditor
CVE-2021-47895
Nsauditor 3.2.2.0 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Event Description field with a large buffer. Attackers can generate a 10,000-character 'U' buffer and paste it into the Event Description field to trigger an application crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Nsasoft Nsauditor — versions 3.2.2.0
- Nsauditor — versions 3.2.2.0
Weakness classification (CWE)
References
- ExploitDB-49568 (Exploit, exploit, Third Party Advisory)
- Official Vendor Homepage (Product, product)
- VulnCheck Advisory: Nsauditor 3.2.2.0 - 'Event Description' Denial of Service (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47895?
- CVE-2021-47895 is a high-severity vulnerability in Nsasoft Nsauditor, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-23.
- How severe is CVE-2021-47895?
- High severity. CVSS v3 base score is 7.5 out of 10.