What’s Vulnerable › Vulnerabilities

CVE-2019-20455

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-14 · updated 2026-06-17
• Weakness: CWE-295

Description

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

Affected products

• Globalpayments Php Sdk: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: Globalpayments Php Sdk 2.0.0. Check the vendor advisory for mitigations.

References

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

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