CVE-2021-20038
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I. Basic Information for CVE-2021-20038
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sonicwall SMA100 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonicwall SMA100是美国Sonicwall公司的一款安全访问网关设备。 SonicWall SMA100 Apache httpd 服务器的 mod_cgi 模块环境变量中存在缓冲区错误漏洞，该漏洞允许未经身份验证的远程攻击者潜在地以设备中的nobody用户身份执行代码。此漏洞影响 SMA 200、210、400、410 和 500v 设备固件 10.2.0.8-37sv、10.2.1.1-19sv、10.2.1.2-24sv 和更早版本。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SonicWall | SonicWall SMA100 | 10.2.0.8-37sv and earlier | - |
II. Public POCs for CVE-2021-20038
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | SonicWall SMA-100 Unauth RCE Exploit (CVE-2021-20038) | https://github.com/jbaines-r7/badblood | POC Details |
| 2 | None | https://github.com/vesperp/CVE-2021-20038-SonicWall-RCE | POC Details |
| 3 | A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-20038.yaml | POC Details |
AI-Generated POCPremium
No public POC found.
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- https://github.com/jbaines-r7/badbloodx_refsource_MISC
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-20038
Same Patch Batch · SonicWall · 2021-12-08 · 9 CVEs total
| CVE-2021-20047 | SonicWall Global VPN client 代码问题漏洞 | |
| CVE-2021-20045 | SonicWall SMA100 安全漏洞 | |
| CVE-2021-20044 | Sonicwall SMA100 操作系统命令注入漏洞 | |
| CVE-2021-20043 | Sonicwall SMA100 缓冲区错误漏洞 | |
| CVE-2021-20042 | SonicWall SMA100 安全漏洞 | |
| CVE-2021-20041 | SonicWall SMA100安全漏洞 | |
| CVE-2021-20040 | Sonicwall SMA100 路径遍历漏洞 | |
| CVE-2021-20039 | Sonicwall SMA100 操作系统操作系统命令注入漏洞 |
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V. Comments for CVE-2021-20038
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