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CVE-2021-36311

Quick assessment

Affected
Dell NetWorker
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.

DELL EMC NetWorker是美国戴尔（DELL）公司的一套统一备份和恢复软件。该软件提供备份与恢复、消除重复数据、备份报告等功能。 Dell EMC NetWorker 存在安全漏洞，该漏洞源于攻击者可以通过 Nsrexecd Nsrrcopy 在 Dell EMC NetWorker 客户端上上传恶意文件，例如上传木马。

CVSS 6.0 · Medium EPSS 0.20% · P9
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I. Basic Information for CVE-2021-36311

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
DELL EMC NetWorker 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL EMC NetWorker是美国戴尔（DELL）公司的一套统一备份和恢复软件。该软件提供备份与恢复、消除重复数据、备份报告等功能。 Dell EMC NetWorker 存在安全漏洞，该漏洞源于攻击者可以通过 Nsrexecd Nsrrcopy 在 Dell EMC NetWorker 客户端上上传恶意文件，例如上传木马。
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
Dell NetWorker unspecified ~ 19.5 -

II. Public POCs for CVE-2021-36311

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III. Intelligence Information for CVE-2021-36311

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Other References for CVE-2021-36311 (1)

Same Patch Batch · Dell · 2021-11-23 · 12 CVEs total

CVE-2021-36312 9.1 CRITICAL Dell EMC CloudLink 安全漏洞
CVE-2021-36313 9.1 CRITICAL Dell EMC CloudLink 操作系统命令注入漏洞
CVE-2021-21561 7.8 HIGH Dell Technologies Dell PowerScale OneFS 日志信息泄露漏洞
CVE-2021-36299 7.1 HIGH DELL Dell EMC iDRAC9 SQL注入漏洞
CVE-2021-36314 7.1 HIGH Dell EMC CloudLink 安全漏洞
CVE-2021-36300 6.5 MEDIUM Dell Emc Idrac SQL注入漏洞
CVE-2021-36301 5.9 MEDIUM Dell EMC iDRAC9和Dell EMC iDRAC8 缓冲区错误漏洞
CVE-2021-36334 5.9 MEDIUM Dell EMC CloudLink 安全漏洞
CVE-2021-36333 5.5 MEDIUM Dell EMC CloudLink 安全漏洞
CVE-2021-36332 5.4 MEDIUM Dell EMC CloudLink 输入验证错误漏洞
CVE-2021-36335 4.3 MEDIUM Dell Emc CloudLink 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: NetWorker
Same vendor: Dell
Same weakness: CWE-285

V. Comments for CVE-2021-36311

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