Cyber Resilience

CVE-2021-21200

MediumPublic PoC

Published: 02 January 2023

Published
02 January 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
EPSS Score 0.0020 41.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21200 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Google Chrome. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 41.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Out of bounds read in WebUI Settings in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chrome security severity: Low)

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

google
chrome
≤ 89.0.4389.72

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References