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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-23958
HistoryFeb 26, 2021 - 3:15 a.m.

CVE-2021-23958

2021-02-2603:15:13
Debian Security Bug Tracker
security-tracker.debian.org
15

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

53.4%

JSON

The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85.

OSVersionArchitecturePackageVersionFilename
Debian999allfirefox< 85.0-1firefox_85.0-1_all.deb

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

53.4%

JSON
Related for DEBIANCVE:CVE-2021-23958
nvd1cve1cvelist1ubuntucve1prion1veracode1alpinelinux1archlinux1openvas4osv1nessus4ubuntu1gentoo1kaspersky1mozilla1ibm1rosalinux1