Unscored severity · published Jun 9, 2011
CVE-2011-2395
The Neighbor Discovery (ND) protocol implementation in Cisco IOS on unspecified switches allows remote attackers to bypass the Router Advertisement Guarding functionality via a…
–
CVSS
2.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
Ios · Cisco
4.1; 4.1.1; 4.1.2; 8.2; 8.3; 9.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-2395
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-2395
seclists.org
http://seclists.org/fulldisclosure/2011/May/446
securityreason.com
http://securityreason.com/securityalert/8271
exchange.xforce.ibmcloud.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/67940
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