Coverage › CVE-2021-4102
CVE-2021-4102 Unmapped
Google Chromium V8 Use-After-Free Vulnerability
- Vendor / product
- Google — Chromium V8
- Description (CISA)
- Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
- Added to KEV
- 2021-12-15
- Due date
- 2021-12-29
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Unknown
- CWE
- CWE-416
- CISA notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-4102
- Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-4102. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-416) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.