Improper access control in Open Automation Software OAS Platform
Priority MEDIUM 49CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially-crafted series of network requests can lead to arbitrary authentication. An attacker can send a sequence of requests to trigger this vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03484 89th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Open Automation Software | OAS Platform | v18.00.0072 | — | No fix listed | CNA |
- OAS Platform VendorOpen Automation Software Affected v18.00.0072 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openautomationsoftware:oas_platform:18.00.0072:*:*:*:*:*:*:* | 18.00.0072 | Vulnerable | Open Automation Software |
- cpe:2.3:a:openautomationsoftware:oas_platform:18.00.0072:*:*:*:*:*:*:* Versions 18.00.0072 Vulnerable ·Open Automation Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31242
- 2026-10-03 Alias added: GHSA-r7wp-jgvh-5vj5
References
More Open Automation Software Oas Platform vulnerabilities
- TI-2022-09549 Missing authentication in Open Automation Software OAS Platform CVSS 3.1CRITICAL 9.8
- TI-2022-10295 Missing authentication in Open Automation Software OAS Platform CVSS 3.1HIGH 7.5
- TI-2022-09686 Missing authentication in Open Automation Software OAS Platform CVSS 3.1HIGH 7.5
- TI-2022-09544 Cleartext transmission of sensitive information in Open Automation Software OAS Platform CVSS 3.1HIGH 7.5
- TI-2022-09523 Missing authentication in Open Automation Software OAS Platform CVSS 3.1HIGH 7.5
- TI-2022-09517 Missing authentication in Open Automation Software OAS Platform CVSS 3.1HIGH 7.5
Sources
- CVE-2023-31242 · CVE Program
- CVE-2023-31242 · NVD
- FIRST EPSS
- GHSA-r7wp-jgvh-5vj5 · GitHub Advisory Database · CC BY 4.0
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