CVE-2020-5409— Concourse Open Redirect in the /sky/login endpoint
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I. Basic Information for CVE-2020-5409
Vulnerability Information
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Vulnerability Title
Concourse Open Redirect in the /sky/login endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pivotal Concourse, most versions prior to 6.0.0, allows redirects to untrusted websites in its login flow. A remote unauthenticated attacker could convince a user to click on a link using the OAuth redirect link with an untrusted website and gain access to that user's access token in Concourse. (This issue is similar to, but distinct from, CVE-2018-15798.)
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pivotal Software Concourse 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pivotal Software Concourse是美国Pivotal Software公司的一套用于持续开发的软件交付控制系统。 Pivotal Software Concourse中存在安全漏洞。远程攻击者可借助特制链接或网站利用该漏洞将用户重定向到不可信的网站，获取用户访问令牌。以下产品及版本受到影响：Pivotal Software Concourse 6.0.0之前版本，5.2.8之前版本，5.3.x所有版本，5.4.x所有版本，5.5.10之前的5.5.x版本，5.6.x所有版本，5.7.x
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
II. Public POCs for CVE-2020-5409
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- https://tanzu.vmware.com/security/cve-2020-5409x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-5409
IV. Related Vulnerabilities
Same product: Concourse
Same vendor: Pivotal
- CVE-2020-5406
PCF Autoscaling logs its database credentials - CVE-2020-5403
DoS Via Malformed URL with Reactor Netty HTTP Server - CVE-2020-5404
Authentication Leak On Redirect With Reactor Netty HttpClien - CVE-2019-11288
tcServer JMX Socket Listener Registry Rebinding Local Privil - CVE-2013-6430
Pivotal Software Spring Framework‘JavaScriptUtils.javaScript
Same weakness: CWE-601
- CVE-2026-42350
Kargo: Open Redirect in UI OIDC Login Flow via redirectTo Qu - CVE-2026-42195
Unvalidated gitlab URL parameter redirects OAuth authorize s - CVE-2026-3318
Multiple vulnerabilities in Cradle e-commerce - CVE-2026-42259
Saltcorn: Open Redirect in `POST /auth/login` due to incompl - CVE-2026-6795
Open Redirect in DivvyDrive Information Technologies' DivvyD
V. Comments for CVE-2020-5409
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