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CVE-2020-5426— Scheduler for TAS can transmit privileged UAA token in plaintext

Quick assessment

Affected
VMware Tanzu Pivotal Scheduler
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 Pivotal Scheduler是美国威睿（VMware）公司的一个可以执行周期性任务的软件。 VMware Pivotal Scheduler 1.4.0之前版本存在安全漏洞，该漏洞允许通过非tls连接发送UAA客户令牌的明文传输。这也依赖于MySQL服务器的配置，该服务器用于缓存服务使用的UAA客户端令牌。攻击者可利用该漏洞在云控制器中获得管理级别的访问。

AI Predicted 8.6 Difficulty: Easy EPSS 0.71% · P52
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I. Basic Information for CVE-2020-5426

Vulnerability Information
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Vulnerability Title
Scheduler for TAS can transmit privileged UAA token in plaintext
Source: CVE Program / CVE List V5
Vulnerability Description
Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
VMware Pivotal Scheduler 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Pivotal Scheduler是美国威睿（VMware）公司的一个可以执行周期性任务的软件。 VMware Pivotal Scheduler 1.4.0之前版本存在安全漏洞，该漏洞允许通过非tls连接发送UAA客户令牌的明文传输。这也依赖于MySQL服务器的配置，该服务器用于缓存服务使用的UAA客户端令牌。攻击者可利用该漏洞在云控制器中获得管理级别的访问。
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 Tanzu Pivotal Scheduler All ~ 1.4.0 -

II. Public POCs for CVE-2020-5426

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III. Intelligence Information for CVE-2020-5426

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Other References for CVE-2020-5426 (1)

IV. Related Vulnerabilities

Same vendor: VMware Tanzu
Same weakness: CWE-319

V. Comments for CVE-2020-5426

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