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Vulnerability details: VCID-8r73-bpac-dubc
Vulnerability ID VCID-8r73-bpac-dubc
Aliases CVE-2021-42377
Summary Multiple vulnerabilities have been discovered in BusyBox, the worst of which could lead to arbitrary code execution.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 6.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42377.json
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
epss 0.02855 https://api.first.org/data/v1/epss?cve=CVE-2021-42377
cvssv3.1 6.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Medium https://security.archlinux.org/AVG-2561
archlinux Medium https://security.archlinux.org/AVG-2562
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42377.json
https://api.first.org/data/v1/epss?cve=CVE-2021-42377
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42377
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2023895 https://bugzilla.redhat.com/show_bug.cgi?id=2023895
999567 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999567
AVG-2561 https://security.archlinux.org/AVG-2561
AVG-2562 https://security.archlinux.org/AVG-2562
GLSA-202407-17 https://security.gentoo.org/glsa/202407-17
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42377.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:H/PR:H/UI:N/S:U/C:H/I:H/A:H 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 0.86174
EPSS Score 0.02855
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:33.272943+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202407-17 38.0.0