Vulnerability Details : CVE-2020-6554

Use after free in extensions in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
Published 2020-09-21 20:15:14
Updated 2021-03-11 18:25:44
Source Chrome
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2020-6554

Exploit prediction scoring system (EPSS) score for CVE-2020-6554

EPSS FAQ
0.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-6554

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.6
 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
1.8
6.0
 NIST

CWE ids for CVE-2020-6554

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-6554

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