Vulnerability Details : CVE-2011-2393
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.
Vulnerability category: Denial of service
Products affected by CVE-2011-2393
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2393
0.49%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2393
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
CWE ids for CVE-2011-2393
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2393
-
http://www.mh-sec.de/downloads/mh-RA_flooding_CVE-2010-multiple.txt
-
http://seclists.org/fulldisclosure/2011/Apr/86
Full Disclosure: ICMPv6 Router Announcement flooding denial of service affecting multiple systems
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