CVE-2021-23895— Authorized deserialization of untrusted data in McAfee DBSec
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I. Basic Information for CVE-2021-23895
Vulnerability Information
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Vulnerability Title
Authorized deserialization of untrusted data in McAfee DBSec
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote authenticated 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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
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 4.8.2之前存在代码问题漏洞，该漏洞源于不可信数据漏洞的反序列化允许远程认证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-2021-23895
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://kc.mcafee.com/corporate/index?page=content&id=SB10359x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-23895
Same Patch Batch · McAfee,LLC · 2021-06-02 · 3 CVEs total
| CVE-2021-23894 | 9.6 CRITICAL | Unauthorized 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)
- CVE-2021-31850
Denial of Service in Database Security on Windows - CVE-2021-31830
Cross site Scripting (XSS) vulnerability in McAfee DBSec - CVE-2021-31831
Incorrect access to deleted scripts vulnerability in McAfee - CVE-2021-23896
Cleartext Transmission of Sensitive Information in McAfee DB - CVE-2021-23894
Unauthorized deserialization of untrusted data in McAfee DBS
Same vendor: McAfee,LLC
Same weakness: CWE-502
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V. Comments for CVE-2021-23895
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