Home/CVE/A vulnerability in the cluster database (CDB) management component of Cisco Expressway Series Software and Cisco TelePre
CVE

CVE-2017-12287

A vulnerability in the cluster database (CDB) management component of Cisco Expressway Series Software and Cisco TelePre

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.

MEDIUM · CVSS 4.3 EPSS 0.00497
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
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Weakness Classification

CWE-20Improper Input Validation
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Affected Products & Versions

3
cisco expresswayall versions
cisco telepresence conductorall versions
cisco telepresence video communication serverall versions
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Scoring & Timeline

4.3
MEDIUM · CVSS v3.0 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Oct 2017 · 08:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101525Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039626Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-expressway-tp-vcsVendor Advisory
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