CVE-2021-20118
Quick assessment
Affected
n/a Nessus Agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tenable Network Security Nessus是美国Tenable Network Security公司的一款开源的系统漏洞扫描器。 Tenable Network Security Nessus Agent 存在输入验证错误漏洞，该漏洞源于 Nessus Agent 8.3.0 版本及更早版本被发现包含多个本地权限提升漏洞，这些漏洞可能允许经过身份验证的本地管理员在 Nessus Agent 主机上运行特定的可执行文件。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-20118
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20117.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Tenable Network Security Nessus 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenable Network Security Nessus是美国Tenable Network Security公司的一款开源的系统漏洞扫描器。 Tenable Network Security Nessus Agent 存在输入验证错误漏洞，该漏洞源于 Nessus Agent 8.3.0 版本及更早版本被发现包含多个本地权限提升漏洞，这些漏洞可能允许经过身份验证的本地管理员在 Nessus Agent 主机上运行特定的可执行文件。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Nessus Agent | Nessus Agent 8.3.0 and earlier | - |
|
II. Public POCs for CVE-2021-20118
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-20118 (1)
-
https://www.tenable.com/security/tns-2021-15 x_refsource_MISC
Same Patch Batch · n/a · 2021-09-09 · 49 CVEs total
| CVE-2020-19515 | qdPM 跨站脚本漏洞 | |
| CVE-2021-38725 | FUEL-CMS 访问控制错误漏洞 | |
| CVE-2020-19143 | Silicon Graphics LibTIFF 缓冲区错误漏洞 | |
| CVE-2021-20117 | Tenable Network Security Nessus 输入验证错误漏洞 | |
| CVE-2021-38408 | Advantech WebAccess 缓冲区错误漏洞 | |
| CVE-2021-40223 | Rittal CMC PU III 跨站脚本漏洞 | |
| CVE-2021-40222 | Rittal CMC PU III 操作系统命令注入漏洞 | |
| CVE-2021-39296 | OpenBMC 授权问题漏洞 | |
| CVE-2021-39458 | Yakamara Media Redaxo CMS 安全漏洞 | |
| CVE-2021-38721 | FUEL CMS 跨站请求伪造漏洞 | |
| CVE-2021-38723 | FUEL CMS SQL注入漏洞 | |
| CVE-2021-32484 | Mediatek 芯片 安全漏洞 | |
| CVE-2021-32485 | Mediatek 芯片 缓冲区错误漏洞 | |
| CVE-2021-32486 | Mediatek 芯片 安全漏洞 | |
| CVE-2021-32487 | Mediatek 芯片 安全漏洞 | |
| CVE-2021-38727 | FUEL CMS SQL注入漏洞 | |
| CVE-2021-40284 | D-Link DSL-3782 安全漏洞 | |
| CVE-2021-28909 | BAB TECHNOLOGIE GmbH eibPort 安全漏洞 | |
| CVE-2021-28910 | Bab Technologie Gmbh BAB TECHNOLOGIE GmbH eibPort 安全漏洞 | |
| CVE-2020-19263 | MipCMS 安全漏洞 |
Showing top 20 of 49 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-20118
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