CVE-2021-20106
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。 Nessus Agent 存在代码问题漏洞，该漏洞源于程序在文件上传过程中对文件的验证不足，远程管理员用户可以上传恶意文件并提升系统权限。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2021-20106
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Nessus Agent versions 8.2.5 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus host.
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 代码问题漏洞
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。 Nessus Agent 存在代码问题漏洞，该漏洞源于程序在文件上传过程中对文件的验证不足，远程管理员用户可以上传恶意文件并提升系统权限。
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 8.2.5 and earlier | - |
|
II. Public POCs for CVE-2021-20106
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-20106 (1)
-
https://www.tenable.com/security/tns-2021-13 x_refsource_MISC
Same Patch Batch · n/a · 2021-07-21 · 67 CVEs total
| CVE-2021-23409 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2021-23411 | 5.4 MEDIUM | Cross-site Scripting (XSS) |
| CVE-2021-23408 | 5.4 MEDIUM | Prototype Pollution |
| CVE-2020-19498 | libheif 安全漏洞 | |
| CVE-2020-20262 | MikroTik RouterOS 代码问题漏洞 | |
| CVE-2020-19497 | MAT File I/O Library 输入验证错误漏洞 | |
| CVE-2020-19470 | Modesty Pdf2json 代码问题漏洞 | |
| CVE-2020-19469 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-19468 | Modesty Pdf2json 代码问题漏洞 | |
| CVE-2020-19467 | Modesty Pdf2json 资源管理错误漏洞 | |
| CVE-2020-19466 | PDF2JSON 缓冲区错误漏洞 | |
| CVE-2020-19465 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-19464 | PDF2JSON 缓冲区错误漏洞 | |
| CVE-2020-19463 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-22150 | Piwigo 跨站脚本漏洞 | |
| CVE-2020-22148 | Piwigo 跨站脚本漏洞 | |
| CVE-2020-19609 | artifex mupdf 缓冲区错误漏洞 | |
| CVE-2020-20221 | MikroTik RouterOS 资源管理错误漏洞 | |
| CVE-2021-37155 | Wolfssl 安全漏洞 | |
| CVE-2021-37220 | MuPDF 缓冲区错误漏洞 |
Showing top 20 of 67 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
V. Comments for CVE-2021-20106
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