National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-3946 Detail

Current Description

Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunistic circumstances by sending IPv6 packets in an unspecified scenario in which expected packet drops do not occur for "a small percentage" of the packets, aka Bug ID CSCty73682.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.cisco.com/c/en/us/td/docs/ios/15_3s/release/notes/15_3s_rel_notes/15_3s_caveats_15_3_2s.html

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Controls (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
15.3


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-3946
NVD Published Date:
04/24/2014
NVD Last Modified:
04/24/2014