Vulnerability in Cisco Firepower Threat Defense
CVE-2018-0138
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass file policies that are configured to block files transmitted to an affected device via the BitTorrent protocol. The vulnerability exists because the affected software does not detect BitTorrent handshake messages correctly. An attacker could exploit this vulnerability by sending a crafted BitTorrent connection request to an affected device. A successful exploit could allow the attacker to bypass file policies that are configured to block files transmitted to the affected device via the BitTorrent protocol. Cisco Bug IDs: CSCve26946.
EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Cisco Firepower_threat_defense — versions 6.1.0, 6.2.0, 6.2.2
- Cisco Secure_firewall_threat_defense — versions 6.1.0, 6.2.0, 6.2.2
- N/a Cisco Firepower System Software — versions Cisco Firepower System Software
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-0138?
- CVE-2018-0138 is a medium-severity vulnerability in Cisco Firepower Threat Defense, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2018-02-08.
- How severe is CVE-2018-0138?
- Medium severity. CVSS v3 base score is 5.3 out of 10.