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ubuntucveUbuntu.comUB:CVE-2021-23957
HistoryFeb 26, 2021 - 12:00 a.m.

CVE-2021-23957

2021-02-2600:00:00
ubuntu.com
ubuntu.com
12

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

34.9%

JSON

Navigations through the Android-specific intent URL scheme could have
been misused to escape iframe sandbox. Note: This issue only affected
Firefox for Android. Other operating systems are unaffected. This
vulnerability affects Firefox < 85.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
avital Android only

Related

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

34.9%

JSON
Related for UB:CVE-2021-23957
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