HOMEVULNERABILITIESCVE-2023-2262
CRITICAL

CVE-2023-2262

CWE-121Published: September 20, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-2262 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

rockwellautomation66 product(s)
1756-en2t series a firmware1756-en2t series a1756-en2t series b firmware1756-en2t series b1756-en2t series c firmware1756-en2t series c1756-en2t series d firmware1756-en2t series d1756-en2tk series a firmware1756-en2tk series a1756-en2tk series b firmware1756-en2tk series b+54
Source: NVD CPE · 66 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2023-2262
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedSep 20, 2023

Related CVEs (CWE-121)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-2262 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.