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CVE-2021-20001It was discovered, that debian-edu-config, a set of configuration files used for the Debian Edu blend, before 2.12.16 configured insecure…
- 9.8CriticalCVSS base score
- 1.6%Exploitation in 30 daysEPSS · top 24% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By debian
- 14 months later
· 14 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected < 2.12.16
References
References4
- https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20220211 [SECURITY] [DLA 2918-1] debian-edu-config security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-security-announce] 20220211 [SECURITY] [DSA 5072-1] debian-edu-config security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-5072 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-7464 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-20001)Record last updated .