CVE-2021-20001

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-20001
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link 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
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
Configurations

Configuration 1 (hide)

cpe:2.3:a:skolelinux:debian-edu-config:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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:*:*:*:*:*:*:*
History

21 Nov 2024, 05:45

Type Values Removed Values Added
References () https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html - Mailing List, Third Party Advisory
References () https://lists.debian.org/debian-security-announce/2022/msg00039.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-security-announce/2022/msg00039.html - Mailing List, Third Party Advisory
References () https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 - Patch, Third Party Advisory () https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 - Patch, Third Party Advisory
References () https://www.debian.org/security/2022/dsa-5072 - Third Party Advisory () https://www.debian.org/security/2022/dsa-5072 - Third Party Advisory

22 Feb 2022, 20:10

Type Values Removed Values Added
CWE CWE-276
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:skolelinux:debian-edu-config:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
References (MLIST) https://lists.debian.org/debian-security-announce/2022/msg00039.html - (MLIST) https://lists.debian.org/debian-security-announce/2022/msg00039.html - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2022/dsa-5072 - (DEBIAN) https://www.debian.org/security/2022/dsa-5072 - Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html - Mailing List, Third Party Advisory
References (MISC) https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 - (MISC) https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5 - Patch, Third Party Advisory

14 Feb 2022, 15:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2022/dsa-5072 -

14 Feb 2022, 12:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-security-announce/2022/msg00039.html -

12 Feb 2022, 00:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html -

11 Feb 2022, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-02-11 20:15

Updated : 2024-11-21 05:45

NVD link : CVE-2021-20001

Mitre link : CVE-2021-20001

CVE.ORG link : CVE-2021-20001

JSON object : View

Products Affected

skolelinux

  • debian-edu-config

debian

  • debian_linux
CWE
CWE-276

Incorrect Default Permissions