CVE-2021-20001 json
It was discovered, that debian-edu-config, a set of configuration files used for the Debian Edu blend, before 2.12.16 configured insecure p…
published 2022-02-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7464
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- skolelinux debian-edu-config 2.12.16
- debian-edu-config Debian 13, Debian 12 2.12.16
debian advisories DEBIAN-CVE-2021-20001
Exploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Debian debian-edu-config
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
salsa.debian.org
/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5
patch, third-party-advisory
-
debian.org
/security/2022/dsa-5072
vendor-advisory, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2022/02/msg00012.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-security-announce/2022/msg00039.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2021-20001
- NVD CVE-2021-20001
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.