Search for vulnerabilities
Vulnerability details: VCID-jgpd-adpu-aaas
Vulnerability ID VCID-jgpd-adpu-aaas
Aliases CVE-2021-42374
Summary An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 5.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42374.json
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2021-42374
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2023881
cvssv3.1 5.3 https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
ssvc Track https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
cvssv3.1 5.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
generic_textual Low https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
ssvc Track https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
cvssv2 3.3 https://nvd.nist.gov/vuln/detail/CVE-2021-42374
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-42374
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-42374
archlinux Medium https://security.archlinux.org/AVG-2561
archlinux Medium https://security.archlinux.org/AVG-2562
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20211223-0002/
ssvc Track https://security.netapp.com/advisory/ntap-20211223-0002/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42374.json
https://api.first.org/data/v1/epss?cve=CVE-2021-42374
https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42374
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
https://security.netapp.com/advisory/ntap-20211223-0002/
2023881 https://bugzilla.redhat.com/show_bug.cgi?id=2023881
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
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-42374 https://nvd.nist.gov/vuln/detail/CVE-2021-42374
GLSA-202407-17 https://security.gentoo.org/glsa/202407-17
USN-5179-1 https://usn.ubuntu.com/5179-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42374.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:L/UI:N/S:U/C:L/I:N/A:H Found at https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:31:05Z/ Found at https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/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
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H Found at https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:31:05Z/ Found at https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:31:05Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:31:05Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-42374
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-42374
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:L/UI:N/S:U/C:L/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-42374
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:L/UI:N/S:U/C:L/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20211223-0002/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:31:05Z/ Found at https://security.netapp.com/advisory/ntap-20211223-0002/
Exploit Prediction Scoring System (EPSS)
Percentile 0.18123
EPSS Score 0.00068
Published At April 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.