CVE - CVE-2011-2395

CVE-ID
CVE-2011-2395	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The Neighbor Discovery (ND) protocol implementation in Cisco IOS on unspecified switches allows remote attackers to bypass the Router Advertisement Guarding functionality via a fragmented IPv6 packet in which the Router Advertisement (RA) message is contained in the second fragment, as demonstrated by (1) a packet in which the first fragment contains a long Destination Options extension header or (2) a packet in which the first fragment contains an ICMPv6 Echo Request message.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
FULLDISC:20110523 Bypassing Cisco's ICMPv6 Router Advertisement Guard feature URL:http://seclists.org/fulldisclosure/2011/May/446 SREASON:8271 URL:http://securityreason.com/securityalert/8271 XF:ciscoios-nd-security-bypass(67940) URL:https://exchange.xforce.ibmcloud.com/vulnerabilities/67940
Assigning CNA
MITRE Corporation
Date Record Created
20110605	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20110605)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)

Use of the CVE™ List and the associated references from this website are subject to the terms of use. CVE is sponsored by the U.S. Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA). Copyright © 1999–2025, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.