CVE-2020-8223

EPSS 1.5%CWE-269

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

05 Oct 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.

Affected products

n/a · Nextcloud Server

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://hackerone.com/reports/889243 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/https://nextcloud.com/security/advisory/?id=NC-SA-2020-029