CVE-2016-1426 : Cisco IOS XR 5.x through 5.2.5 on NCS 6000 devices allows remote attackers to ca

Cisco IOS XR 5.x through 5.2.5 on NCS 6000 devices allows remote attackers to cause a denial of service (timer consumption and Route Processor reload) via crafted SSH traffic, aka Bug ID CSCux76819.

Published 2016-07-15 16:59:00

Updated 2025-04-12 10:46:41

Source Cisco Systems, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2016-1426

Cisco » Ios Xr » Version: 5.1.0
cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.1.1
cpe:2.3:o:cisco:ios_xr:5.1.1:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.0.1
cpe:2.3:o:cisco:ios_xr:5.0.1:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.1
cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.0
cpe:2.3:o:cisco:ios_xr:5.2.0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.1.2
cpe:2.3:o:cisco:ios_xr:5.1.2:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.2
cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.1.1.k9sec
cpe:2.3:o:cisco:ios_xr:5.1.1.k9sec:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.1.3
cpe:2.3:o:cisco:ios_xr:5.1.3:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.0.0
cpe:2.3:o:cisco:ios_xr:5.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.4
cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.3
cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.2.5
cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A
Cisco » Ios Xr » Version: 5.0 Base
cpe:2.3:o:cisco:ios_xr:5.0_base:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Network Convergence System 6000 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2016-1426

EPSS FAQ

0.74%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 71 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-1426

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2016-1426

CWE-399

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-1426

http://www.securityfocus.com/bid/91748

Cisco IOS XR CVE-2016-1426 Denial of Service Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160713-ncs6k

Cisco IOS XR for NCS 6000 Packet Timer Leak Denial of Service Vulnerability
Vendor Advisory
http://www.securitytracker.com/id/1036295

Cisco IOS XR Resource Leak on Network Convergence System 6000 Series Routers Lets Remote Users Deny Service - SecurityTracker

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Vulnerability Details : CVE-2016-1426

Products affected by CVE-2016-1426

Exploit prediction scoring system (EPSS) score for CVE-2016-1426

CVSS scores for CVE-2016-1426

CWE ids for CVE-2016-1426

References for CVE-2016-1426