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Vulnerability details: VCID-d8vr-arx7-kygz
Vulnerability ID VCID-d8vr-arx7-kygz
Aliases CVE-2021-24031
Summary zstd: adds read permissions to files while being compressed or uncompressed
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-281 Improper Preservation of Permissions
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24031.json
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
epss 0.00074 https://api.first.org/data/v1/epss?cve=CVE-2021-24031
cvssv3.1 6.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24031.json
https://api.first.org/data/v1/epss?cve=CVE-2021-24031
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24031
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1934852 https://bugzilla.redhat.com/show_bug.cgi?id=1934852
981404 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404
USN-4760-1 https://usn.ubuntu.com/4760-1/
USN-5720-1 https://usn.ubuntu.com/5720-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24031.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.22245
EPSS Score 0.00074
Published At April 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:03:13.398116+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24031.json 38.0.0