CVE-2020-8290

EPSS 0.6%CWE-269

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Dec 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 products

n/a · Backblaze

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References

https://github.com/geffner/CVE-2020-8290/blob/master/README.md https://hackerone.com/reports/818857 https://youtu.be/OpC6neWd2aM