VDB-58816 · CVE-2011-3282 · BID 49827

Cisco IOS XE up to 3.2.1s denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

A vulnerability classified as critical was found in Cisco IOS XE up to 3.2.1s (Router Operating System). This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Unspecified vulnerability in Cisco IOS 12.2SRE before 12.2(33)SRE4, 15.0, and 15.1, and IOS XE 2.1.x through 3.3.x, when an MPLS domain is configured, allows remote attackers to cause a denial of service (device reload) via an ICMPv6 packet, related to an expired MPLS TTL, aka Bug ID CSCtj30155.

The weakness was released 10/03/2011 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability was named CVE-2011-3282 since 08/29/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/23/2021). The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 56317 (Cisco IOS Software IP Version 6 over Multiprotocol Label Switching Vulnerabilities (cisco-sa-20110928-ipv6mpls)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43217 (Cisco IOS Software IPv6 over MPLS Vulnerabilities (cisco-sa-20110928-ipv6mpls)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (56317). Entry connected to this vulnerability is available at 58808.

Productinfo

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  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 56317
Nessus Name: Cisco IOS Software IP Version 6 over Multiprotocol Label Switching Vulnerabilities (cisco-sa-20110928-ipv6mpls)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

08/29/2011 🔍
09/28/2011 +30 days 🔍
09/28/2011 +0 days 🔍
10/02/2011 +4 days 🔍
10/03/2011 +1 days 🔍
10/03/2011 +0 days 🔍
03/23/2015 +1267 days 🔍
11/23/2021 +2437 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3282 (🔍)
Vulnerability Center: 33366 - [cisco-sa-20110928-ipv6mpls] Cisco IOS Remote DoS Vulnerability via an ICMPv6 Packet, High
SecurityFocus: 49827 - Cisco IOS IPv6 over MPLS Multiple Denial of Service Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 07:54
Changes: 03/23/2015 16:50 (53), 04/07/2017 18:26 (12), 11/23/2021 07:54 (2)
Complete: 🔍

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