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CVE-2022-21951— Rancher: Weave CNI password is not set if RKE template is used with CNI value overridden

Quick assessment

Affected
SUSE Rancher
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.

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 2.5.14之前版本、2.6.5之前版本存在安全漏洞，该漏洞源于存在敏感数据加密缺失漏洞。攻击者利用该漏洞读取和更改网络数据。

CVSS 6.8 · Medium EPSS 0.39% · P31
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I. Basic Information for CVE-2022-21951

Vulnerability Information
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Vulnerability Title
Rancher: Weave CNI password is not set if RKE template is used with CNI value overridden
Source: CVE Program / CVE List V5
Vulnerability Description
A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/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
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 2.5.14之前版本、2.6.5之前版本存在安全漏洞，该漏洞源于存在敏感数据加密缺失漏洞。攻击者利用该漏洞读取和更改网络数据。
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
SUSE Rancher Rancher ~ 2.5.14 -
SUSE Rancher Rancher ~ 2.6.5 -

II. Public POCs for CVE-2022-21951

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III. Intelligence Information for CVE-2022-21951

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Vendor Advisories for CVE-2022-21951 (1)

IV. Related Vulnerabilities

Same product: Rancher
Same vendor: SUSE
Same weakness: CWE-319

V. Comments for CVE-2022-21951

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