CVE-2021-47895

HIGH

Nsauditor 3.2.2.0 - Denial of Service via Event Description Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47895. PoCs published by Ismael Nava.

AI-analyzed exploit summary This PoC exploits a Denial of Service (DoS) vulnerability in Nsauditor 3.2.2.0 by overflowing the 'Event Description' field with a large buffer of characters. The script generates a file containing the malicious input, which when pasted into the application, triggers the crash.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Ismael Nava · textdoswindows
https://www.exploit-db.com/exploits/49568

This PoC exploits a Denial of Service (DoS) vulnerability in Nsauditor 3.2.2.0 by overflowing the 'Event Description' field with a large buffer of characters. The script generates a file containing the malicious input, which when pasted into the application, triggers the crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Nsauditor 3.2.2.0
No auth needed
Prerequisites: Nsauditor 3.2.2.0 installed on Windows · Access to the application's Configuration > Security Events section
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/49568
Product product
https://www.nsauditor.com/

Scores

CVSS v3 7.5
EPSS 0.0031
EPSS Percentile 22.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
nsasoft/nsauditor 3.2.2.0
Published Jan 23, 2026
Tracked Since Feb 18, 2026