Vulnerability Details : CVE-2013-6979
The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass authentication by leveraging access to a 192.168.x.2 source IP address, aka Bug ID CSCuj90227.
Products affected by CVE-2013-6979
- cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-6979
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-6979
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.4
|
MEDIUM | AV:N/AC:H/Au:N/C:C/I:N/A:N |
4.9
|
6.9
|
NIST |
CWE ids for CVE-2013-6979
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-6979
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http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979
Cisco IOS XE Software Telnet Authentication Bypass VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1029537
Cisco IOS vty Authentication Flaw Lets Remote Users Access the System - SecurityTrackerThird Party Advisory;VDB Entry
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http://www.securityfocus.com/bid/64502
Cisco IOS XE Software Telnet Remote Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
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http://osvdb.org/101351
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https://exchange.xforce.ibmcloud.com/vulnerabilities/89901
Cisco IOS XE VTY Authentication security bypass CVE-2013-6979 Vulnerability Report
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