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CVE-2025-71261— Harvester's SUSE Virtualization Registration Client Vulnerable to MITM and DOS

Quick assessment

Affected
SUSE Harvester
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.

SUSE Harvester是德国SUSE公司的一个云基础设施平台。 SUSE Harvester 1.8.0之前版本存在加密问题漏洞，该漏洞源于TLS握手过程中的缺陷，可能导致具有网络级访问权限的攻击者绕过TLS安全控制。

CVSS 8.6 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
SUSE Harvester < 1.8 affected
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I. Basic Information for CVE-2025-71261

Vulnerability Information
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Vulnerability Title
Harvester's SUSE Virtualization Registration Client Vulnerable to MITM and DOS
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker with network-level access between the SUSE Virtualization and Rancher Manager in SUSE Harvester before 1.8.0 could interfere with the TLS handshake and abuse it to bypass TLS as a security control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE Harvester 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE Harvester是德国SUSE公司的一个云基础设施平台。 SUSE Harvester 1.8.0之前版本存在加密问题漏洞，该漏洞源于TLS握手过程中的缺陷，可能导致具有网络级访问权限的攻击者绕过TLS安全控制。
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 Harvester 0 ~ 1.8 -

II. Public POCs for CVE-2025-71261

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III. Intelligence Information for CVE-2025-71261

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Vendor Advisories for CVE-2025-71261 (1)

IV. Related Vulnerabilities

Same product: Harvester
Same vendor: SUSE
Same weakness: CWE-295

V. Comments for CVE-2025-71261

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