CVE-2021-30511
HighPublic PoC
Published: 04 June 2021
Published
04 June 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS Score
0.0032
55.6th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30511 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Fedoraproject Fedora. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 44.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17432
Vulnerability details
Out of bounds read in Tab Groups in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted HTML page.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
google
chrome
≤ 90.0.4430.212
fedoraproject
fedora
33, 34
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.