Improper input validation in Cisco Secure Firewall Management Center

CVE-2017-12300

A vulnerability in the SNORT detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a file policy that is configured to block the Server Message Block Version 2 (SMB2) protocol. The vulnerability is due to the incorrect detection of an SMB2 file when the detection is based on the length of the file. An attacker could exploit this vulnerability by sending a crafted SMB2 transfer request through the targeted device. A successful exploit could allow the attacker to bypass filters that are configured to block SMB2 traffic. Cisco Bug IDs: CSCve58398.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-12300?
CVE-2017-12300 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-11-16.
How severe is CVE-2017-12300?
Medium severity. CVSS v3 base score is 5.8 out of 10.