CVE-2021-36778— Exposure of repository credentials to external third-party sources
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I. Basic Information for CVE-2021-36778
Vulnerability Information
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Vulnerability Title
Exposure of repository credentials to external third-party sources
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Incorrect Authorization vulnerability in SUSE Rancher allows administrators of third-party repositories to gather credentials that are sent to their servers. This issue affects: SUSE Rancher Rancher versions prior to 2.5.12; Rancher versions prior to 2.6.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rancher Labs Rancher 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rancher Labs Rancher是美国Rancher Labs公司的一套开源的企业级容器管理平台。 Rancher Labs Rancher 2.5.12 版本之前的 2.5.x 版本和 2.6.3 版本之前的 2.6.x 版本存在安全漏洞，该漏洞源于将存储库凭据暴露给外部第三方来源。
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-2021-36778
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Same Patch Batch · SUSE · 2022-05-02 · 3 CVEs total
| CVE-2021-36784 | 7.2 HIGH | Privilege escalation for users with create/update permissions in Global Roles |
| CVE-2021-4200 | 5.4 MEDIUM | Write access to the Catalog for any user when restricted-admin role is enabled |
IV. Related Vulnerabilities
Same product: Rancher
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Rancher Backup Operator pod's logs leak S3 tokens - CVE-2025-62878
Local Path Provisioner vulnerable to Path Traversal via para - CVE-2025-67601
Rancher CLI skips TLS verification on Rancher CLI login comm - CVE-2024-58269
Rancher exposes sensitive information through audit logs - CVE-2023-32199
Rancher user retains access to clusters despite Global Role
Same vendor: SUSE
- CVE-2026-25702
nftables disabled due to incorrect kernel backport - CVE-2025-62879
Rancher Backup Operator pod's logs leak S3 tokens - CVE-2025-62878
Local Path Provisioner vulnerable to Path Traversal via para - CVE-2025-67601
Rancher CLI skips TLS verification on Rancher CLI login comm - CVE-2025-67860
NeuVector scanner insecurely handles passwords as command ar
Same weakness: CWE-863
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V. Comments for CVE-2021-36778
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