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CVE-2021-23894— Unauthorized deserialization of untrusted data in McAfee DBSec

Quick assessment

Affected
McAfee,LLC McAfee Database Security (DBSec)
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.

Mcafee Database Security Server是美国迈克菲（Mcafee）公司的一款数据库安全软件。该软件可为用户提供数据库的整体情况和相应安全状况，实时保护关键业务数据库免受外部，内部和内部数据库威胁的侵害。 Mcafee Database Security Server 在4.8.2之前存在代码问题漏洞，该漏洞允许远程未经身份验证的攻击者可利用该漏洞通过小心构造的Java序列化对象发送到DBSec服务器，在DBSec服务器上创建一个具有管理员权限的反向shell。

CVSS 9.6 · Critical EPSS 2.24% · P82
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I. Basic Information for CVE-2021-23894

Vulnerability Information
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Vulnerability Title
Unauthorized deserialization of untrusted data in McAfee DBSec
Source: CVE Program / CVE List V5
Vulnerability Description
Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Mcafee Database Security Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee Database Security Server是美国迈克菲（Mcafee）公司的一款数据库安全软件。该软件可为用户提供数据库的整体情况和相应安全状况，实时保护关键业务数据库免受外部，内部和内部数据库威胁的侵害。 Mcafee Database Security Server 在4.8.2之前存在代码问题漏洞，该漏洞允许远程未经身份验证的攻击者可利用该漏洞通过小心构造的Java序列化对象发送到DBSec服务器，在DBSec服务器上创建一个具有管理员权限的反向shell。
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
McAfee,LLC McAfee Database Security (DBSec) unspecified ~ 4.8.2 -

II. Public POCs for CVE-2021-23894

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III. Intelligence Information for CVE-2021-23894

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Other References for CVE-2021-23894 (1)

Same Patch Batch · McAfee,LLC · 2021-06-02 · 3 CVEs total

CVE-2021-23895 9.0 CRITICAL Authorized deserialization of untrusted data in McAfee DBSec
CVE-2021-23896 3.2 LOW Cleartext Transmission of Sensitive Information in McAfee DBSec

IV. Related Vulnerabilities

Same product: McAfee Database Security (DBSec)
Same vendor: McAfee,LLC
Same weakness: CWE-502

V. Comments for CVE-2021-23894

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