PoC Index

CVE-2020-8290

HIGH 7.8EPSS 0.6%

Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
0.58% chance of exploitation in the next 30 days, 45th percentile
Published
2020-12-27
Updated
2024-08-04

Proof-of-concept exploits (2)

References

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