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

CVSS 8.6 · High EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProductVersion RangeStatus
SUSEHarvester< 1.8affected
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SUSEHarvester 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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