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CVE-2021-21558

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，攻击者可以利用Dell EMC NetWorker的多个漏洞。

CVSS 8.2 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2021-21558

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC NetWorker, 18.x, 19.1.x, 19.2.x 19.3.x, 19.4 and 19.4.0.1, contains an Information Disclosure vulnerability. A local administrator of the gstd system may potentially exploit this vulnerability to read LDAP credentials from local logs and use the stolen credentials to make changes to the network domain.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Dell EMC NetWorker 日志信息泄露漏洞
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，攻击者可以利用Dell EMC NetWorker的多个漏洞。
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 ~ 19.4.0.2 -

II. Public POCs for CVE-2021-21558

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III. Intelligence Information for CVE-2021-21558

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Other References for CVE-2021-21558 (1)

IV. Related Vulnerabilities

Same product: NetWorker
Same vendor: Dell
Same weakness: CWE-532

V. Comments for CVE-2021-21558

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