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redhatcveRedhat.comRH:CVE-2023-4581
HistoryAug 30, 2023 - 10:15 a.m.

CVE-2023-4581

2023-08-3010:15:59
redhat.com
access.redhat.com
14
mozilla
foundation
security
advisory
excel
add-in
files
firefox
blocklist
warning
harm

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

23.1%

The Mozilla Foundation Security Advisory describes this flaw as: Excel .xll add-in files did not have a blocklist entry in Firefox’s executable blocklist which allowed them to be downloaded without any warning of their potential harm.

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

23.1%