Critical severity · published Mar 1, 2024
CVE-2023-7243
Ethercat Zeek Plugin Out-of-bounds Write
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat
Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds
write while analyzing specific Ethercat datagrams. This could allow an
attacker to cause arbitrary code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek · CISA
through d78dda6 · source: vendor
IC
Icsnpp-ethercat · Cisa
through d78dda6 · source: NVD, CISA
Affected product
IC
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek
CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-7243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-7243
US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02
More from Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek
9.8
CVE-2023-7244
Ethercat Zeek Plugin Out-of-bounds Write
8.2
CVE-2023-7242
Ethercat Zeek Plugin Out-of-bounds Read