CVE-2020-8289

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-295

Affected software

No affected versions have been published.

Timeline

Published: Dec 27, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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