cbcvebase.
CVE-2021-22716
published 2021-04-13

CVE-2021-22716: A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies…

PriorityP341high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.77%
51.1th percentile
A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)

Affected

16 ranges
VendorProductVersion rangeFixed in
msrcmicrosoft_365_apps_for_enterprise_for_32-bit_systems
msrcmicrosoft_365_apps_for_enterprise_for_64-bit_systems
msrcmicrosoft_excel_2013_rt_service_pack_1
msrcmicrosoft_excel_2013_service_pack_1
msrcmicrosoft_excel_2016
msrcmicrosoft_office_2019_for_32-bit_editions
msrcmicrosoft_office_2019_for_64-bit_editions
msrcmicrosoft_office_2019_for_mac
msrcmicrosoft_office_ltsc_2021_for_32-bit_editions
msrcmicrosoft_office_ltsc_2021_for_64-bit_editions
msrcmicrosoft_office_ltsc_for_mac_2021
msrcmicrosoft_office_online_server
msrcmicrosoft_office_web_apps_server_2013_service_pack_1
msrcmicrosoft_sharepoint_enterprise_server_2013_service_pack_1
schneider-electricc-bus_toolkit<= 1.15.7
schneider_electricc-bus_toolkit>= V < 1.15.91.15.9

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
vendor_msrc5.5MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.