CVE-2020-8289 is a critical vulnerability affecting Backblaze for Windows prior to version 7.0.1.433 and Backblaze for macOS prior to version 7.0.1.434. This flaw stems from improper certificate validation within the bztransmit helper, caused by a hardcoded whitelist of URL strings that bypass validation, potentially leading to remote code execution through the client update mechanism. The vulnerability carries a high CVSS score of 7.8, indicating a significant risk with local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the FAUCET Risk Score of 89/100 suggests a high inherent risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.0.1.433CPE matchmatch criteria | cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:* | ||
< 7.0.1.434CPE matchmatch criteria | cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.