Vulnerability Details : CVE-2021-21143

Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Vulnerability category: OverflowMemory Corruption
Published 2021-02-09 15:15:14
Updated 2022-04-26 13:28:30
Source Chrome
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21143

Probability of exploitation activity in the next 30 days: 0.18%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 55 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-21143

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 nvd@nist.gov
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 nvd@nist.gov

CWE ids for CVE-2021-21143

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-21143

Products affected by CVE-2021-21143

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