Vulnerability · Published Feb 11, 2022 · Assigned by debian
CVE-2021-20001
Critical 9.8
In plain English
A critical-severity security flaw in debian-edu-config from Debian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.6%top 23.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | debian-edu-config | 2.12.16 | DEBIAN-CVE-2021-20001 |
| Debian:13 | debian-edu-config | 2.12.16 | DEBIAN-CVE-2021-20001 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Debian | debian-edu-config | < 2.12.16 |
References
- https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 x_refsource_MISC
- [debian-lts-announce] 20220211 [SECURITY] [DLA 2918-1] debian-edu-config security update mailing-list, x_refsource_MLIST
- [debian-security-announce] 20220211 [SECURITY] [DSA 5072-1] debian-edu-config security update mailing-list, x_refsource_MLIST
- DSA-5072 vendor-advisory, x_refsource_DEBIAN