CVE-2015-6377: cisco virtual_topology_system Resource Management Errors
CVSS: 7.8v2.0HighModified
Published 24-11-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-6377 is a high (CVSS 7.8) Resource Management Errors vulnerability in cisco virtual_topology_system. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 78.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
1.87%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.87%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.87% on 18-09-2026
18-09-202618-10-2026
EPSS score1.87%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- virtual_topology_system2.0\(0\) | 2.0\(1\)
1 vendor · 1 product
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-vtsVendor AdvisoryX Refsource CISCO