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Release Notes for Cisco IAD2420 Series for CiscoIOS Release 12.1 XR

78-12264-01 Rev. D1

Important Notes

Caveat CSCdr91706 and IOS HTTP Vulnerability

A defect in multiple releases of Cisco IOS software will cause a Cisco router or switch to halt and reload

if the IOS HTTP service is enabled, browsing to http://router-ip/anytext?/ is attempted, and the enable

password is supplied when requested. This defect can be exploited to produce a denial of service (DoS)

attack.

The vulnerability, identified as Cisco bug ID CSCdr91706, affects virtually all mainstream Cisco routers

and switches running Cisco IOS software releases 12.0 through 12.1, inclusive. This is not the same

defect as CSCdr36952.

The vulnerability has been corrected and Cisco is making fixed releases available for free to replace all

affected IOS releases. Customers are urged to upgrade to releases that are not vulnerable to this defect,

as shown in detail below.

This vulnerability can only be exploited if the enable password is known or not set.

You are strongly encouraged to read the complete advisory, which is available at

http://www.cisco.com/warp/public/707/ioshttpserverquery-pub.shtml.

Product Number Change

Beginning with Cisco IOS Release 12.0(7)XK, Cisco changed the product numbers used to order a

specific Cisco IOS software image. In short, Cisco will remove the periods separating the release train,

maintenance release, and build number. The following table provides some examples.

Deprecated MIBs

Older Cisco Management Information Bases (MIBs) will be replaced in a future release. OLD-CISCO-*

MIBS are currently migrated into more scalable MIBs—without affecting existing Cisco IOS products

or NMS applications. You can update from deprecated MIBs to the replacement MIBs as shown in

Table 5.

Old Product Number New Product Number Release Image Description

S364AR1K2-12.1.5= S364AR1K2-1215= Cisco IOS Release 12.1(5) Cisco 3640 Series IOS

Enterprise/SNA SW PLUS

IPSEC 3DES

S26CP-12.1.5= S26CP-1215= Cisco IOS Release 12.1(5) Cisco 2600 Series IOS IP Plus

Table 5 Deprecated MIBS

Deprecated MIB Replacement

OLD-CISCO-CHASSIS-MIB ENTITY-MIB

OLD-CISCO-CPUK-MIB In Development

OLD-CISCO-ENV-MIB CISCO-ENVMON-MIB

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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