Heap Based Buffer Overflow in PTC KEPServerEx
Priority MEDIUM 41CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.
Why it matters now
EPSS 0.00962 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PTC | KEPServerEX | up to 6.14.263.0 | — | No fix listed | CNA |
| PTC | ThingWorx Kepware Server | up to 6.14.263.0 | — | No fix listed | CNA |
| PTC | ThingWorx Industrial Connectivity | All versions | — | No fix listed | CNA |
| PTC | OPC-Aggregator | up to 6.14 | — | No fix listed | CNA |
| PTC | ThingWorx Kepware Edge | up to 1.7 | — | No fix listed | CNA |
| Rockwell | KEPServer Enterprise | up to 6.14.263.0 | — | No fix listed | CNA |
| GE Gigital | Industrial Gateway Server | up to 7.614 | — | No fix listed | CNA |
| Software Toolbox | TOP Server | up to 6.14.263.0 | — | No fix listed | CNA |
- KEPServerEX VendorPTC Affected up to 6.14.263.0 Fixed in — No fix listed CNA
- ThingWorx Kepware Server VendorPTC Affected up to 6.14.263.0 Fixed in — No fix listed CNA
- ThingWorx Industrial Connectivity VendorPTC Affected All versions Fixed in — No fix listed CNA
- OPC-Aggregator VendorPTC Affected up to 6.14 Fixed in — No fix listed CNA
- ThingWorx Kepware Edge VendorPTC Affected up to 1.7 Fixed in — No fix listed CNA
- KEPServer Enterprise VendorRockwell Affected up to 6.14.263.0 Fixed in — No fix listed CNA
- Industrial Gateway Server VendorGE Gigital Affected up to 7.614 Fixed in — No fix listed CNA
- TOP Server VendorSoftware Toolbox Affected up to 6.14.263.0 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ge:industrial_gateway_server:*:*:*:*:*:*:*:* | up to 7.614 | Vulnerable | GE |
| cpe:2.3:a:ptc:keepserverex:*:*:*:*:*:*:*:* | up to 6.14.263.0 | Vulnerable | PTC |
| cpe:2.3:a:ptc:opc-aggregator:*:*:*:*:*:*:*:* | up to 6.14 | Vulnerable | PTC |
| cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | PTC |
| cpe:2.3:a:ptc:thingworx_kepware_edge:*:*:*:*:*:*:*:* | up to 1.7 | Vulnerable | PTC |
| cpe:2.3:a:ptc:thingworx_kepware_server:*:*:*:*:*:*:*:* | up to 6.14.263.0 | Vulnerable | PTC |
| cpe:2.3:a:rockwellautomation:kepserver_enterprise:*:*:*:*:*:*:*:* | up to 6.14.263.0 | Vulnerable | Rockwell |
| cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:* | up to 6.14.263.0 | Vulnerable | Software Toolbox |
- cpe:2.3:a:ge:industrial_gateway_server:*:*:*:*:*:*:*:* Versions up to 7.614 Vulnerable ·GE
- cpe:2.3:a:ptc:keepserverex:*:*:*:*:*:*:*:* Versions up to 6.14.263.0 Vulnerable ·PTC
- cpe:2.3:a:ptc:opc-aggregator:*:*:*:*:*:*:*:* Versions up to 6.14 Vulnerable ·PTC
- cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·PTC
- cpe:2.3:a:ptc:thingworx_kepware_edge:*:*:*:*:*:*:*:* Versions up to 1.7 Vulnerable ·PTC
- cpe:2.3:a:ptc:thingworx_kepware_server:*:*:*:*:*:*:*:* Versions up to 6.14.263.0 Vulnerable ·PTC
- cpe:2.3:a:rockwellautomation:kepserver_enterprise:*:*:*:*:*:*:*:* Versions up to 6.14.263.0 Vulnerable ·Rockwell
- cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:* Versions up to 6.14.263.0 Vulnerable ·Software Toolbox
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5908
- 2026-10-03 Alias added: GHSA-m695-35xv-pjcm
References
More PTC Keepserverex vulnerabilities
- TI-2023-05441 Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx CVSS 3.1HIGH 7.5
Sources
- CVE-2023-5908 · CVE Program
- CVE-2023-5908 · NVD
- FIRST EPSS
- GHSA-m695-35xv-pjcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences