High severity · published Apr 13, 2021
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 a file
7.8
CVSS
0.8%
EPSS
No
On KEV
Description
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)
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CT
C-bus Toolkit · Schneider-electric
through 1.15.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22716
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22716
download.schneider-electric.com
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2021-103-01_C-Bus_Toolkit_C-Gate_Server_Security_Notification.pdf
us-cert.cisa.gov
https://us-cert.cisa.gov/ics/advisories/icsa-21-105-01
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