Vulnerability Details : CVE-2016-6438
A vulnerability in Cisco IOS XE Software running on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause a configuration integrity change to the vty line configuration on an affected device. This vulnerability affects the following releases of Cisco IOS XE Software running on Cisco cBR-8 Converged Broadband Routers: All 3.16S releases, All 3.17S releases, Release 3.18.0S, Release 3.18.1S, Release 3.18.0SP. More Information: CSCuz62815. Known Affected Releases: 15.5(3)S2.9, 15.6(2)SP. Known Fixed Releases: 15.6(1.7)SP1, 16.4(0.183), 16.5(0.1).
Products affected by CVE-2016-6438
- cpe:2.3:o:cisco:ios_xe:3.16.3s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.2s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.17.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.2as:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.0cs:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.1as:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.1s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.17.2s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.2bs:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.17.1as:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.18.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.18.1s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.3as:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.18.0sp:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.16.4s:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6438
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6438
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-6438
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6438
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-cbr-8
Cisco cBR-8 Converged Broadband Router vty Integrity VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/93518
Cisco IOS XE Software CVE-2016-6438 Remote Security Bypass Vulnerability
-
http://www.securitytracker.com/id/1037003
Cisco IOS XE on cBR-8 Converged Broadband Routers Lets Remote Users Affect vty Configuration Integrity - SecurityTracker
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