{"id":"CVE-2015-6377","aliases":["EUVD-2015-6319","GHSA-f84m-wg53-4c32"],"status":"published","title":"Cisco Virtual Topology System (VTS) 2.0(0) and 2.0(1) allows remote attackers to cause a denial...","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.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01867,"percentile":0.79444,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2015-11-24T02:00:00Z","modified":"2026-06-17T00:30:47Z","products":[{"vendor":"cisco","product":"virtual_topology_system"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-vts","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6377"},{"url":"https://github.com/advisories/GHSA-f84m-wg53-4c32"}],"sources":{"cve":[{"id":"CVE-2015-6377","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.","status":"published","published":"2015-11-24T02:00:00Z","modified":"2024-08-06T07:22:20.803Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6319","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.","status":"published","published":"2015-11-24T02:00:00Z","modified":"2024-08-06T07:22:20Z","updated_at":"2026-11-03T02:21:56.126868Z"}],"ghsa":[{"id":"GHSA-f84m-wg53-4c32","title":"Cisco Virtual Topology System (VTS) 2.0(0) and 2.0(1) allows remote attackers to cause a denial...","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.","status":"published","published":"2022-05-17T04:01:46Z","modified":"2023-01-28T05:00:55Z","updated_at":"2026-11-02T14:43:26.967621Z"}],"nvd":[{"id":"CVE-2015-6377","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.","status":"published","published":"2015-11-24T04:59:00.177Z","modified":"2026-06-17T00:30:47.637Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:12.30866Z"}]}}