MEDIUM
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
Published Jun 19, 2015
4.0
MEDIUMCVSS 2.0
EPSS 1.62%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.0 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.62% 0.01616
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01616
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.62% (0.01616) | 75.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.65% (0.01647) | 73.33th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00597) | 67.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00142) | 51.53th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.14% (0.00142) | 50.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00142) | 48.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://tools.cisco.com/security/center/viewAlert.x?alertId=39402 vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/75295 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1032661 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/viewAlert.x?alertId=39402 | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/75295 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1032661 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Jun 19, 2015
Updated Aug 6, 2024
Reserved Jun 4, 2015
Link CVE-2015-4195
CISA Vulnrichment
Updated n/a