CVE-2021-47815— Nsauditor 3.2.3 - Denial of Service (PoC)
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-47815
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Nsauditor 3.2.3 - Denial of Service (PoC)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nsauditor 3.2.3 contains a denial of service vulnerability in the registration code input field that allows attackers to crash the application. Attackers can paste a large buffer of 256 repeated characters into the 'Key' field to trigger an application crash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nsasoft Nsauditor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nsasoft Nsauditor是美国Nsasoft公司的一款网络安全软件。 Nsasoft Nsauditor 3.2.3版本存在安全漏洞，该漏洞源于注册码输入字段存在缓冲区溢出，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-47815
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-47815
请登录查看更多情报信息。
Same Patch Batch · Nsauditor · 2026-01-15 · 3 CVEs total
| CVE-2021-47814 | 7.5 HIGH | NBMonitor 1.6.8 - Denial of Service (PoC) |
| CVE-2021-47813 | 7.5 HIGH | Backup Key Recovery 2.2.7 - Denial of Service (PoC) |
IV. Related Vulnerabilities
Same vendor: Nsauditor
- CVE-2019-25712
BlueAuditor 1.7.2.0 Buffer Overflow Denial of Service via Re - CVE-2019-25711
SpotFTP Password Recover 2.4.2 Denial of Service via Name Fi - CVE-2019-25666
SpotAuditor 3.6.7 Denial of Service Buffer Overflow - CVE-2018-25213
Nsauditor 3.0.28.0 Local SEH Buffer Overflow - CVE-2019-25599
Backup Key Recovery 2.2.4 Denial of Service via Name Field
Same weakness: CWE-120
- CVE-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-6691
MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow - CVE-2026-7856
D-Link DI-8100 Web Management url_member.asp buffer overflow
V. Comments for CVE-2021-47815
No comments yet