← Global Threat Landscape
CVE-2021-30633
CWE-416
Critical
101.8
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Source: NVD
Signals
- CVSS
- 9.6
- Critical · v3.1
- EPSS
- 33.18%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Nov 2021
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-416
- Published
- 8 Oct 2021
- Last modified 24 Oct 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
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Data as of 7 Oct 2026, 05:16 UK time