CVE-2020-24394

CVSS V2 Low 3.6 CVSS V3 High 7.1
Description
In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.
Overview
  • CVE ID
  • CVE-2020-24394
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-08-19T13:15:10
  • Last Modified Date
  • 2022-10-25T17:03:34
Weakness Enumerations
CWE URL
CWE-732 http://cwe.mitre.org/data/definitions/732.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.7.8
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.6
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254 Issue Tracking Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8 Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832 Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20200904-0003/ Third Party Advisory
https://usn.ubuntu.com/4465-1/ Third Party Advisory
https://usn.ubuntu.com/4483-1/ Third Party Advisory
https://usn.ubuntu.com/4485-1/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory
https://www.starwindsoftware.com/security/sw-20210325-0004/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-24394
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24394
History
Created Old Value New Value Data Type Notes
2022-05-10 07:11:37 Added to TrackCVE
2022-12-04 21:16:24 2020-08-19T13:15Z 2020-08-19T13:15:10 CVE Published Date updated
2022-12-04 21:16:24 2022-10-25T17:03:34 CVE Modified Date updated
2022-12-04 21:16:24 Analyzed Vulnerability Status updated
2022-12-04 21:16:28 References updated