PoC Index

CVE-2020-8289

HIGH 9.3EPSS 4.7%

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.

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
4.66% chance of exploitation in the next 30 days, 91th percentile
Published
2020-12-27
Updated
2024-08-04

Proof-of-concept exploits (2)

References

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