CVE-2021-1871 CISA KEV · Actively exploited
webkitgtk: Logic issue leading to arbitrary code execution
CVSS score
9.8
EPSS probability
%7.0
Risk score
1.4
Published
5 y ago
Vulnerability Timeline (Change History)
CVE-2021-1871 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 21.11.2025 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 03.11.2021 | CISA Coordinator | Added to KEV Catalog (Active Exploitation) | SSVC / KEV | exploitation: none | exploitation: active |
| 29.03.2021 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2021-1871 |
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