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Vulnerability details: VCID-j5bf-77zh-jqf6
Vulnerability ID VCID-j5bf-77zh-jqf6
Aliases CVE-2021-3781
Summary A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Status Published
Exploitability 0.5
Weighted Severity 8.9
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3781.json
epss 0.06186 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.06186 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
epss 0.1208 https://api.first.org/data/v1/epss?cve=CVE-2021-3781
cvssv3.1 9.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2021-3781
cvssv3.1 9.9 https://nvd.nist.gov/vuln/detail/CVE-2021-3781
archlinux High https://security.archlinux.org/AVG-2374
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3781.json
https://api.first.org/data/v1/epss?cve=CVE-2021-3781
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3781
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ghostscript.com/CVE-2021-3781.html
https://security.gentoo.org/glsa/202211-11
2002271 https://bugzilla.redhat.com/show_bug.cgi?id=2002271
994011 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994011
ASA-202109-3 https://security.archlinux.org/ASA-202109-3
AVG-2374 https://security.archlinux.org/AVG-2374
cpe:2.3:a:artifex:ghostscript:9.50:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:artifex:ghostscript:9.50:*:*:*:*:*:*:*
cpe:2.3:a:artifex:ghostscript:9.52:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:artifex:ghostscript:9.52:*:*:*:*:*:*:*
cpe:2.3:a:artifex:ghostscript:9.53.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:artifex:ghostscript:9.53.3:*:*:*:*:*:*:*
cpe:2.3:a:artifex:ghostscript:9.54.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:artifex:ghostscript:9.54.0:*:*:*:*:*:*:*
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-2021-3781 https://nvd.nist.gov/vuln/detail/CVE-2021-3781
USN-5075-1 https://usn.ubuntu.com/5075-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3781.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: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
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3781
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:L/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3781
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 0.90539
EPSS Score 0.06186
Published At Aug. 2, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:02.536051+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5075-1/ 37.0.0