CVE-2021-20135
Quick assessment
Affected
n/a Nessus
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存在权限许可和访问控制问题漏洞，该漏洞的存在是由于Nessus没有适当地施加安全限制。本地管理员可以在Nessus Agent主机上运行特定的可执行文件。该漏洞允许本地用户升级系统上的特权。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-20135
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus).
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 权限许可和访问控制问题漏洞
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。 Tenable Network Security Nessus存在权限许可和访问控制问题漏洞，该漏洞的存在是由于Nessus没有适当地施加安全限制。本地管理员可以在Nessus Agent主机上运行特定的可执行文件。该漏洞允许本地用户升级系统上的特权。
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 | Nessus 8.15.2 and earlier | - |
|
II. Public POCs for CVE-2021-20135
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-20135 (1)
-
https://www.tenable.com/security/tns-2021-18 x_refsource_MISC
Same Patch Batch · n/a · 2021-11-02 · 35 CVEs total
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| CVE-2021-36925 | Realtek RtsUpx Usb Utility Driver 访问控制错误漏洞 | |
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IV. Related Vulnerabilities
V. Comments for CVE-2021-20135
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