Vulnerability Details : CVE-2021-4323
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to access local files via a crafted Chrome Extension. (Chromium security severity: Medium)
Products affected by CVE-2021-4323
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4323
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4323
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2021-4323
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/
[SECURITY] Fedora 38 Update: chromium-115.0.5790.170-1.fc38 - package-announce - Fedora Mailing-Lists
-
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html
Chrome Releases: Stable Channel Update for DesktopRelease Notes;Vendor Advisory
-
https://crbug.com/1176031
1176031 - Reading local files through an extension that only has the "downloads" permission - chromiumExploit;Issue Tracking;Vendor Advisory
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