CVE-2023-3595: rockwell auotmation 1756-en2tpxt series a Out-of-bounds Write
Vulnerability summary
CVE-2023-3595 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in rockwell auotmation 1756-en2tpxt series a. EPSS estimates a 5.53% chance of exploitation in the next 30 days, higher than 92.7% of scored vulnerabilities.
Timeline
- 12-07-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.53%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.53% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Rockwell automation21 products
- 1756-en2f series a, b≤ 5.008 & 5.028
- 1756-en2f series c≤ 11.003
- 1756-en2fk series a, b≤ 5.008 & 5.028
- 1756-en2fk series c≤ 11.003
- 1756-en2t series a, b, c≤ 5.008 & 5.028
Rockwellautomation12 products
- 1756-en2f_series_a_firmwarena
- 1756-en2f_series_b_firmwarena
- 1756-en2f_series_c_firmwarena
- 1756-en2t_series_a_firmwarena
- 1756-en2t_series_b_firmwarena
Rockwell auotmation1 product
- 1756-en2tpxt series a≤ 11.003
3 vendors · 34 products
References
1 links- rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010Permissions RequiredVendor Advisory