CVE-2020-8293

Description

A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.16% Top 25%
Vendor Advisory nextcloud.com
Affected: n/a Nextcloud Server
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1018146 third party advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 vendor advisory broken link

Frequently Asked Questions

What is the severity of CVE-2020-8293?
CVE-2020-8293 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8293?
To fix CVE-2020-8293, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8293 being actively exploited in the wild?
It is possible that CVE-2020-8293 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-8293?
CVE-2020-8293 affects n/a Nextcloud Server.
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