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CVE-2023-20891— VMware Tanzu Application Service for VMs and Isolation Segment information disclosure vulnerability

Quick assessment

Affected
VMware VMware Tanzu Application Service for VMs
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.

VMware Tanzu是美国威睿（VMware）公司的一个模块化的云原生应用平台。 VMware Tanzu Application Service存在安全漏洞，该漏洞源于平台系统审核日志以十六进制编码记录凭据，导致信息泄露。

CVSS 6.5 · Medium EPSS 0.64% · P49
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I. Basic Information for CVE-2023-20891

Vulnerability Information
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Vulnerability Title
VMware Tanzu Application Service for VMs and Isolation Segment information disclosure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
The VMware Tanzu Application Service for VMs and Isolation Segment contain an information disclosure vulnerability due to the logging of credentials in hex encoding in platform system audit logs. A malicious non-admin user who has access to the platform system audit logs can access hex encoded CF API admin credentials and can push new malicious versions of an application. In a default deployment non-admin users do not have access to the platform system audit logs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
VMware Tanzu 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Tanzu是美国威睿（VMware）公司的一个模块化的云原生应用平台。 VMware Tanzu Application Service存在安全漏洞，该漏洞源于平台系统审核日志以十六进制编码记录凭据，导致信息泄露。
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
VMware VMware Tanzu Application Service for VMs 4.0.x ~ 4.0.5 -
VMware Isolation segment 4.0.x ~ 4.0.4 -

II. Public POCs for CVE-2023-20891

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III. Intelligence Information for CVE-2023-20891

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Vendor Advisories for CVE-2023-20891 (1)

IV. Related Vulnerabilities

Same product: VMware Tanzu Application Service for VMs
Same vendor: VMware
Same weakness: CWE-532

V. Comments for CVE-2023-20891

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