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Ubuntu.comUB:CVE-2021-23998
HistoryApr 19, 2021 - 12:00 a.m.

CVE-2021-23998

2021-04-1900:00:00
ubuntu.com
ubuntu.com
8

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

40.0%

Through complicated navigations with new windows, an HTTP page could have
inherited a secure lock icon from an HTTPS page. This vulnerability affects
Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchfirefox< 88.0+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 88.0+build2-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchfirefox< 88.0+build2-0ubuntu0.21.04.1UNKNOWN
ubuntu22.04noarchfirefox< 88.0.1+build1-0ubuntu2UNKNOWN
ubuntuupstreamnoarchfirefox< 88.0.1+build1-0ubuntu2UNKNOWN
ubuntuupstreamnoarchfirefox< 88.0.1+build1-0ubuntu2UNKNOWN
ubuntuupstreamnoarchfirefox< 88UNKNOWN
ubuntu16.04noarchfirefox< 88.0+build2-0ubuntu0.16.04.1UNKNOWN
ubuntu21.10noarchfirefox< 88.0.1+build1-0ubuntu2UNKNOWN
ubuntuupstreamnoarchfirefox< 88.0.1+build1-0ubuntu2UNKNOWN
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API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

40.0%

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