CVE-2021-20001
Debian Edu blended Perl Privilege Escalation Vulnerability
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.
INFO
Published Date :
Feb. 11, 2022, 8:15 p.m.
Last Modified :
Feb. 22, 2022, 8:10 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-20001
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20001.
| URL | Resource |
|---|---|
| https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-security-announce/2022/msg00039.html | Mailing List Third Party Advisory |
| https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 | Patch Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5072 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20001 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20001 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 22, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-security-announce/2022/msg00039.html No Types Assigned https://lists.debian.org/debian-security-announce/2022/msg00039.html Mailing List, Third Party Advisory Changed Reference Type https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 No Types Assigned https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 Patch, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5072 No Types Assigned https://www.debian.org/security/2022/dsa-5072 Third Party Advisory Added CWE NIST CWE-276 Added CPE Configuration OR *cpe:2.3:a:skolelinux:debian-edu-config:*:*:*:*:*:*:*:* versions up to (excluding) 2.12.16 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 14, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5072 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 14, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-security-announce/2022/msg00039.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 12, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20001 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20001
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.03%
score
0.58453
percentile