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Vulnerability Details : CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.
Publish Date : 2009-08-19 Last Update Date : 2009-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Products Affected By CVE-2009-2055

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco Ios Xr 3.4 Version Details Vulnerabilities
2 OS Cisco Ios Xr 3.4.0 Version Details Vulnerabilities
3 OS Cisco Ios Xr 3.4.1 Version Details Vulnerabilities
4 OS Cisco Ios Xr 3.4.2 Version Details Vulnerabilities
5 OS Cisco Ios Xr 3.4.3 Version Details Vulnerabilities
6 OS Cisco Ios Xr 3.5 Version Details Vulnerabilities
7 OS Cisco Ios Xr 3.5.2 Version Details Vulnerabilities
8 OS Cisco Ios Xr 3.5.3 Version Details Vulnerabilities
9 OS Cisco Ios Xr 3.5.4 Version Details Vulnerabilities
10 OS Cisco Ios Xr 3.6.0 Version Details Vulnerabilities
11 OS Cisco Ios Xr 3.6.1 Version Details Vulnerabilities
12 OS Cisco Ios Xr 3.6.2 Version Details Vulnerabilities
13 OS Cisco Ios Xr 3.6.3 Version Details Vulnerabilities
14 OS Cisco Ios Xr 3.7.0 Version Details Vulnerabilities
15 OS Cisco Ios Xr 3.7.1 Version Details Vulnerabilities
16 OS Cisco Ios Xr 3.7.2 Version Details Vulnerabilities
17 OS Cisco Ios Xr 3.7.3 Version Details Vulnerabilities
18 OS Cisco Ios Xr 3.8.0 Version Details Vulnerabilities
19 OS Cisco Ios Xr 3.8.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Ios Xr 19

- References For CVE-2009-2055
MLIST [nanog] 20090817 RE: Anyone else seeing "(invalid or corrupt AS path) 3 bytes E01100" ?
CISCO 20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability
SECTRACK 1022739

- Metasploit Modules Related To CVE-2009-2055

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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