CVE-2023-2914Rockwell Automation ThinManager Thinserver Software Vulnerable to Input Validation Vulnerabilitiy
- 7.5HighCVSS base score
- 39.7%Exploitation in 30 daysEPSS · top 1.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The Rockwell Automation Thinmanager Thinserver is impacted by an improper input validation vulnerability, an integer overflow condition exists in the affected products. When the ThinManager processes incoming messages, a read access violation occurs and terminates the process. A malicious user could exploit this vulnerability by sending a crafted synchronization protocol message and causing a denial of service condition in the software.
Timeline
ID reserved
By Rockwell
- 3 months later
· 3 months later
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| RockwellCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 39.7% · top 1.4% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Rockwell Automation · ThinManager ThinServer
- affected 11.0.0 - 11.2.6
- affected 11.1.0 - 11.1.6
- affected 11.2.0 - 11.2.7
- affected 12.0.0 - 12.0.5
- affected 12.1.0 - 12.1.6
- affected 13.0.0 - 13.0.2
- affected 13.1.0
What to do
Solution: * Update to the corrected software versions. * Limit remote access for TCP Port 2031 to known thin clients and ThinManager servers.
References
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)
- EUVD EUVD-2023-34360 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-2914)Record last updated .