Application crash via oversized Event Description input
Published Jan 23, 2026 · Updated Jan 23, 2026
Denial of service in Nsasoft NSAuditor 3.2.2.0 allows local users to crash the application through the Event Description field. The Add Event workflow accepts and processes a 10,000-character string pasted into Event Description without an effective input-size limit. Exploitation requires interactive access to the Windows desktop interface and interrupts only the NSAuditor application process.
Summary
What happened
Denial of service in Nsasoft NSAuditor 3.2.2.0 allows local users to crash the application through the Event Description field. The Add Event workflow accepts and processes a 10,000-character string pasted into Event Description without an effective input-size limit. Exploitation requires interactive access to the Windows desktop interface and interrupts only the NSAuditor application process.
The record
- CVE
- CVE-2021-47895
- Published
- Jan 23, 2026
- Updated
- Jan 23, 2026
- Vendor
- Nsasoft
- Product
- NSAuditor
- Classifications
- CWE-770, CAPEC-130, T1499.004
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 23, 2026CVE publishedPublication date reported by the CVE source.
- Jan 23, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.2.2.0
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- NSAuditor 3.2.2.0 Event Description Denial of Service PoCproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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