Critical severity · published Sep 20, 2023
CVE-2023-2262
A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.
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)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
1S
1756-en2f Series A Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2f Series B Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2f Series C Firmware · Rockwellautomation
through 11.002 · source: NVD
1S
1756-en2fk Series A Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2fk Series B Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2fk Series C Firmware · Rockwellautomation
through 11.002 · source: NVD
1S
1756-en2t Series A Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2t Series B Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2t Series C Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2t Series D Firmware · Rockwellautomation
through 11.002 · source: NVD
1S
1756-en2tk Series A Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
1S
1756-en2tk Series B Firmware · Rockwellautomation
5.008 through 5.028 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2262
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2262
Permissions Required
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140786
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