What’s Vulnerable › Vulnerabilities

CVE-2014-2209

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-12-28 · updated 2026-06-17
• Weakness: CWE-264

Description

Facebook HipHop Virtual Machine (HHVM) before 3.1.0 does not drop supplemental group memberships within hphp/util/capability.cpp and hphp/util/light-process.cpp, which allows remote attackers to bypass intended access restrictions by leveraging group permissions for a file or directory.

Affected products

• Facebook Hiphop Virtual Machine: through 3.0.1

References

• https://github.com/facebook/hhvm/commit/851fff90a9b7461df2393af32239ba217bc25946
• https://github.com/facebook/hhvm/commit/851fff90a9b7461df2393af32239ba217bc25946

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