CVE-2021-20001

Description

It was discovered, that debian-edu-config, a set of configuration files used for the Debian Edu blend, before 2.12.16 configured insecure permissions for the user web shares (~/public_html), which could result in privilege escalation.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.62%
Vendor Advisory debian.org
Affected: Debian debian-edu-config
Published at:
Updated at:

References

Link Tags
https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html third party advisory mailing list
https://lists.debian.org/debian-security-announce/2022/msg00039.html third party advisory mailing list
https://www.debian.org/security/2022/dsa-5072 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20001?
CVE-2021-20001 has been scored as a critical severity vulnerability.
How to fix CVE-2021-20001?
To fix CVE-2021-20001, 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-2021-20001 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20001 is being actively exploited. 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-2021-20001?
CVE-2021-20001 affects Debian debian-edu-config.
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