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Vulnerability details: VCID-1nk2-jqk4-5qf9
Vulnerability ID VCID-1nk2-jqk4-5qf9
Aliases CVE-2021-38510
Summary The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38510.json
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
epss 0.0047 https://api.first.org/data/v1/epss?cve=CVE-2021-38510
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-38510
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-38510
archlinux High https://security.archlinux.org/AVG-2512
archlinux High https://security.archlinux.org/AVG-2519
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-48
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-49
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-50
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38510.json
https://api.first.org/data/v1/epss?cve=CVE-2021-38510
https://bugzilla.mozilla.org/show_bug.cgi?id=1731779
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2021-48/
https://www.mozilla.org/security/advisories/mfsa2021-49/
https://www.mozilla.org/security/advisories/mfsa2021-50/
2019629 https://bugzilla.redhat.com/show_bug.cgi?id=2019629
AVG-2512 https://security.archlinux.org/AVG-2512
AVG-2519 https://security.archlinux.org/AVG-2519
CVE-2021-38510 https://nvd.nist.gov/vuln/detail/CVE-2021-38510
mfsa2021-48 https://www.mozilla.org/en-US/security/advisories/mfsa2021-48
mfsa2021-49 https://www.mozilla.org/en-US/security/advisories/mfsa2021-49
mfsa2021-50 https://www.mozilla.org/en-US/security/advisories/mfsa2021-50
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38510.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:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-38510
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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-38510
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 0.63581
EPSS Score 0.0047
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:46.424388+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2021/mfsa2021-49.yml 37.0.0