Improper input validation in Cisco Expressway
CVE-2017-12287
A vulnerability in the cluster database (CDB) management component of Cisco Expressway Series Software and Cisco TelePresence Video Communication Server (VCS) Software could allow an authenticated, remote attacker to cause the CDB process on an affected system to restart unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to incomplete input validation of URL requests by the REST API of the affected software. An attacker could exploit this vulnerability by sending a crafted URL to the REST API of the affected software on an affected system. A successful exploit could allow the attacker to cause the CDB process on the affected system to restart unexpectedly, resulting in a temporary DoS condition. Cisco Bug IDs: CSCve77571.
EPSS: 0.016 (74.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Cisco Expressway
- Cisco Telepresence_conductor
- Cisco Telepresence_video_communication_server
- N/a Cisco Expressway Series And Telepresence Video Communication Server — versions Cisco Expressway Series and Cisco TelePresence Video Communication Server
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12287?
- CVE-2017-12287 is a medium-severity vulnerability in Cisco Expressway, classified under CWE-399. CVSS score: 4.3/10. Published 2017-10-19.
- How severe is CVE-2017-12287?
- Medium severity. CVSS v3 base score is 4.3 out of 10.