What’s Vulnerable › Vulnerabilities

CVE-2019-3569

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-26 · updated 2026-06-17
• Weakness: CWE-552

Description

HHVM, when used with FastCGI, would bind by default to all available interfaces. This behavior could allow a malicious individual unintended direct access to the application, which could result in information disclosure. This issue affects versions 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, versions 3.30.5 and below, and all versions in the 4.0, 4.1, and 4.2 series.

Affected products

• Facebook HHVM: through 3.30.5; 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0 (+7)

References

• https://github.com/facebook/hhvm/commit/97ef580ec2cca9a54da6f9bd9fdd9a455f6d74ed
• https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html
• https://github.com/facebook/hhvm/commit/97ef580ec2cca9a54da6f9bd9fdd9a455f6d74ed
• https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html

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