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CVE-2016-9343
An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00 (excluding all…
Critical10.0EPSS 10.5%
- Published
- Updated
- Reserved
- Assigned by
- icscert
Description
An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00 (excluding all firmware versions prior to FRN 16.00, which are not affected). By sending malformed common industrial protocol (CIP) packet, an attacker may be able to overflow a stack-based buffer and execute code on the controller or initiate a nonrecoverable fault resulting in a denial of service.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 10.5% · top 4.2% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.
Weakness
- Rockwell Automation Logix5000 Programmable Automation Controller Buffer Overflow Vulnerability
- CWE-787 (opens in a new tab)
Affected products
Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00
- affected Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00
References (2)
- https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05 (opens in a new tab)x_refsource_MISCx_transferred
- 95304 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .