What’s Vulnerable › Vulnerabilities

CVE-2015-2323

• Severity: medium (CVSS 6.4 v2.0)
• 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: 2015-08-11 · updated 2026-06-17
• Weakness: CWE-310

Description

FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.

Affected products

• Fortinet FortiOS (FortiGate): 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5 (+10)

References

• http://fortiguard.com/advisory/2015-07-24-weak-ciphers-suites-are-presented-towards-fortiguard-servers
• http://www.fortiguard.com/advisory/FG-IR-15-021/
• http://www.securitytracker.com/id/1033092
• http://fortiguard.com/advisory/2015-07-24-weak-ciphers-suites-are-presented-towards-fortiguard-servers
• http://www.fortiguard.com/advisory/FG-IR-15-021/
• http://www.securitytracker.com/id/1033092

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