CVE-2021-31830— Cross site Scripting (XSS) vulnerability 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数据库4.8.2之前存在安全漏洞，该漏洞允许管理员在配置要监控的数据库名称时嵌入JavaScript代码。当任何授权用户登录到DBSec接口并打开此数据库的属性配置页面时，将触发此操作。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScript
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I. Basic Information for CVE-2021-31830
Vulnerability Information
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Vulnerability Title
Cross site Scripting (XSS) vulnerability in McAfee DBSec
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows an administrator to embed JavaScript code when configuring the name of a database to be monitored. This would be triggered when any authorized user logs into the DBSec interface and opens the properties configuration page for this database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee 数据库 跨站脚本漏洞
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数据库4.8.2之前存在安全漏洞，该漏洞允许管理员在配置要监控的数据库名称时嵌入JavaScript代码。当任何授权用户登录到DBSec接口并打开此数据库的属性配置页面时，将触发此操作。
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-2021-31830
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-31830 (1)
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10359 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: McAfee Database Security (DBSec)
-
CVE-2021-31850
Denial of Service in Database Security on Windows -
CVE-2021-31831
Incorrect access to deleted scripts vulnerability in McAfee -
CVE-2021-23896
Cleartext Transmission of Sensitive Information in McAfee DB -
CVE-2021-23895
Authorized deserialization of untrusted data in McAfee DBSec -
CVE-2021-23894
Unauthorized deserialization of untrusted data in McAfee DBS
Same vendor: McAfee,LLC
Same weakness: CWE-79
-
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justhtml before 1.12.0 Mutation XSS via Raw Text Elements -
CVE-2026-8445
justhtml before 1.12.0 Sanitizer Bypass via Markdown -
CVE-2026-77088
justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code- -
CVE-2026-74793
justhtml before 3.11.0 XSS via selectedcontent projection -
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justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnera
V. Comments for CVE-2021-31830
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