CVE-2015-6377

high
Published 2015-11-24 · Modified 2026-05-06
CVSS v3
CVSS v2
7.8
VIR risk
7.8

Description

Cisco Virtual Topology System (VTS) 2.0(0) and 2.0(1) allows remote attackers to cause a denial of service (CPU and memory consumption, and TCP port outage) via a flood of crafted TCP packets, aka Bug ID CSCux13379.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-vts

Application impact

VendorProductVersionsFixed
cisco ciscovirtual_topology_system2.0\(0\)
cisco ciscovirtual_topology_system2.0\(1\)

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.