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CVE-2021-3473

Quick assessment

Affected
Lenovo XClarity Controller (XCC)
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.

Lenovo XClarity Controller（XCC）是中国联想（Lenovo）公司的一款服务器嵌入式管理引擎，它主要用于标准化和自动化基础服务器管理任务。 Lenovo XClarity Controller 存在安全漏洞，该漏洞源于。联想XCC (Lenovo XClarity Controller)内部产品安全审计发现，使用联想XCC管理员(Lenovo XClarity Administrator, LXCA)进行备份恢复时，可能会将XCC配置备份恢复密码写入XCC内部日志缓冲区。备份还原

CVSS 4.5 · Medium EPSS 0.48% · P39
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I. Basic Information for CVE-2021-3473

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An internal product security audit of Lenovo XClarity Controller (XCC) discovered that the XCC configuration backup/restore password may be written to an internal XCC log buffer if Lenovo XClarity Administrator (LXCA) is used to perform the backup/restore. The backup/restore password typically exists in this internal log buffer for less than 10 minutes before being overwritten. Generating an FFDC service log will include the log buffer contents, including the backup/restore password if present. The FFDC service log is only generated when requested by a privileged XCC user and it is only accessible to the privileged XCC user that requested the file. The backup/restore password is not captured if the backup/restore is initiated directly from XCC.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo XClarity Controller 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo XClarity Controller（XCC）是中国联想（Lenovo）公司的一款服务器嵌入式管理引擎，它主要用于标准化和自动化基础服务器管理任务。 Lenovo XClarity Controller 存在安全漏洞，该漏洞源于。联想XCC (Lenovo XClarity Controller)内部产品安全审计发现，使用联想XCC管理员(Lenovo XClarity Administrator, LXCA)进行备份恢复时，可能会将XCC配置备份恢复密码写入XCC内部日志缓冲区。备份还原
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
Lenovo XClarity Controller (XCC) unspecified ~ 6.00 CDI370Q -

II. Public POCs for CVE-2021-3473

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III. Intelligence Information for CVE-2021-3473

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Vendor Advisories for CVE-2021-3473 (1)

Same Patch Batch · Lenovo · 2021-04-13 · 3 CVEs total

CVE-2021-3462 5.5 MEDIUM Lenovo Power Management 安全漏洞
CVE-2021-3463 4.2 MEDIUM Lenovo Power Management 代码问题漏洞

IV. Related Vulnerabilities

Same product: XClarity Controller (XCC)
Same vendor: Lenovo
Same weakness: CWE-319

V. Comments for CVE-2021-3473

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