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Vulnerability details: VCID-4mbv-yf9n-puck
Vulnerability ID VCID-4mbv-yf9n-puck
Aliases CVE-2021-30887
Summary Multiple vulnerabilities have been found in WebkitGTK+, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30887.json
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2021-30887
cvssv3.1 6.5 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-2021-30887.json
https://api.first.org/data/v1/epss?cve=CVE-2021-30887
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30887
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30890
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2034381 https://bugzilla.redhat.com/show_bug.cgi?id=2034381
GLSA-202202-01 https://security.gentoo.org/glsa/202202-01
RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-5213-1 https://usn.ubuntu.com/5213-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30887.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:U/C:N/I:H/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 0.53579
EPSS Score 0.00304
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:11:57.505837+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202202-01 38.0.0