CVE-2017-3887
MediumCVSS 5.9Exploitation Probability (EPSS)
Elevated risk67th percentile - higher than 67% of all known CVEs
Summary
A vulnerability in the detection engine handling SSL packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process unexpectedly restarts. This affects versions prior to the first fixed release when configured with an SSL Decrypt-Resign policy.
Risk Assessment
A DoS attack could cause device downtime, impacting service availability and network traffic monitoring integrity.
Recommendation
It is recommended to update Firepower software to patched versions and review SSL policy configurations.
Original NVD description (English source)
A vulnerability in the detection engine that handles Secure Sockets Layer (SSL) packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process unexpectedly restarts. This vulnerability affects Cisco Firepower System Software prior to the first fixed release when it is configured with an SSL Decrypt-Resign policy. More Information: CSCvb62292. Known Affected Releases: 6.0.1 6.1.0 6.2.0. Known Fixed Releases: 6.2.0 6.1.0.2.