CVE-2015-4195
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty...
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty error, and SSH and TELNET outage) via a crafted disconnect action within an SSH session, aka Bug ID CSCul63127.
Exploit likelihood
What each source reports
NVD Score used
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty error, and SSH and TELNET outage) via a crafted disconnect action within an SSH session, aka Bug ID CSCul63127.
- Record
CVE-2015-4195- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty error, and SSH and TELNET outage) via a crafted disconnect action within an SSH session, aka Bug ID CSCul63127.
- Record
CVE-2015-4195- Updated
- 2026-11-02
EUVDEUVD-2015-4218 No score
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty error, and SSH and TELNET outage) via a crafted disconnect action within an SSH session, aka Bug ID CSCul63127.
- Record
EUVD-2015-4218- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3cv5-693m-8vg4 No score
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty...
Cisco IOS XR 5.1.1.K9SEC allows remote authenticated users to cause a denial of service (vty error, and SSH and TELNET outage) via a crafted disconnect action within an SSH session, aka Bug ID CSCul63127.
- Record
GHSA-3cv5-693m-8vg4- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-4195 is a medium vulnerability (CVSS 4.0) in Cisco Ios Xr, published June 19, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. No source names a fixed version.