What’s Vulnerable › Vulnerabilities

CVE-2017-2780

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-06-22 · updated 2026-06-17
• Weakness: CWE-787

Description

An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b. A specially crafted x509 certificate can cause a buffer overflow on the heap resulting in remote code execution. To trigger this vulnerability, a specially crafted x509 certificate must be presented to the vulnerable client or server application when initiating secure connection.

Affected products

• Inside Secure MatrixSSL: 3.8.7b

References

• http://www.securityfocus.com/bid/99249
• https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276
• http://www.securityfocus.com/bid/99249
• https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276

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