4.3

CVE-2021-23953

EPSS 0.38%
Published 26.02.2021 03:15:13
Last modified 21.11.2024 05:52:05
Source security@mozilla.org
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If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

Affected products Warnungen 0 Metrics 3 CWE 0 References 7

Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox Version < 85.0

Mozilla ≫ Firefox ESR Version < 78.7

Mozilla ≫ Thunderbird Version < 78.7

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.38%	0.566

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	4.3	2.8	1.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
nvd@nist.gov	4.3	8.6	2.9	AV:N/AC:M/Au:N/C:P/I:N/A:N

https://bugzilla.mozilla.org/show_bug.cgi?id=1683940

Vendor Advisory

Issue Tracking

Permissions Required

https://www.mozilla.org/security/advisories/mfsa2021-03/

Vendor Advisory

Release Notes

https://www.mozilla.org/security/advisories/mfsa2021-04/

Vendor Advisory

Release Notes

https://www.mozilla.org/security/advisories/mfsa2021-05/

Vendor Advisory

Release Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-23953

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-23953

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-23953

EUVD