CVE-2011-2059
Medium
Description
The ipv6 component in Cisco IOS before 15.1(4)M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet containing a Hop-by-Hop (HBH) extension header (EH) with a 0x0c01050c value in the PadN option data, aka Bug ID CSCtq02219.
SeverityMedium
CVSS5.0
Exploit probability—
Product
Cisco Ios
PublishedOct 22, 2011
First seenOct 22, 2011
How to fix
Update
- cisco ios15.1\(4\)m1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios | v < 15.1\(4\)m1.3 | 15.1\(4\)m1.3 |
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