CVEvulnerability
CVE-2020-8290
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-12-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-269
Description
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.
Affected configurations
• backblaze backblaze (< 7.0.0.439)
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://github.com/geffner/CVE-2020-8290/blob/master/README.md Exploit, Third Party Advisory
- https://hackerone.com/reports/818857 Permissions Required
- https://youtu.be/OpC6neWd2aM Exploit, Third Party Advisory
- https://github.com/geffner/CVE-2020-8290/blob/master/README.md Exploit, Third Party Advisory
- https://hackerone.com/reports/818857 Permissions Required
- https://youtu.be/OpC6neWd2aM Exploit, Third Party Advisory