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Vulnerability Details : CVE-2009-2056

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path.
Publish Date : 2009-08-21 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 Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Multiple systems (Exploiting the vulnerability requires that the attacker authenticate two or more times, even if the same credentials are used each time.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 264

- Products Affected By CVE-2009-2056

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco Ios Xr 3.0 Version Details Vulnerabilities
2 OS Cisco Ios Xr 3.0.1 Version Details Vulnerabilities
3 OS Cisco Ios Xr 3.1 Version Details Vulnerabilities
4 OS Cisco Ios Xr 3.1.0 Version Details Vulnerabilities
5 OS Cisco Ios Xr 3.2 Version Details Vulnerabilities
6 OS Cisco Ios Xr 3.2.1 Version Details Vulnerabilities
7 OS Cisco Ios Xr 3.2.2 Version Details Vulnerabilities
8 OS Cisco Ios Xr 3.2.3 Crs-1 Version Details Vulnerabilities
9 OS Cisco Ios Xr 3.2.3 PRP Version Details Vulnerabilities
10 OS Cisco Ios Xr 3.2.4 Version Details Vulnerabilities
11 OS Cisco Ios Xr 3.2.50 Version Details Vulnerabilities
12 OS Cisco Ios Xr 3.3 Version Details Vulnerabilities
13 OS Cisco Ios Xr 3.4 Version Details Vulnerabilities
14 OS Cisco Ios Xr 3.4.0 Version Details Vulnerabilities
15 OS Cisco Ios Xr 3.4.1 Version Details Vulnerabilities
16 OS Cisco Ios Xr 3.4.2 Version Details Vulnerabilities
17 OS Cisco Ios Xr 3.4.3 Version Details Vulnerabilities
18 OS Cisco Ios Xr 3.5 Version Details Vulnerabilities
19 OS Cisco Ios Xr 3.5.2 Version Details Vulnerabilities
20 OS Cisco Ios Xr 3.5.3 Version Details Vulnerabilities
21 OS Cisco Ios Xr 3.5.4 Version Details Vulnerabilities
22 OS Cisco Ios Xr 3.6 Version Details Vulnerabilities
23 OS Cisco Ios Xr 3.6.0 Version Details Vulnerabilities
24 OS Cisco Ios Xr 3.6.1 Version Details Vulnerabilities
25 OS Cisco Ios Xr 3.6.2 Version Details Vulnerabilities
26 OS Cisco Ios Xr 3.6.3 Version Details Vulnerabilities
27 OS Cisco Ios Xr 3.7 Version Details Vulnerabilities
28 OS Cisco Ios Xr 3.7.0 Version Details Vulnerabilities
29 OS Cisco Ios Xr 3.7.1 Version Details Vulnerabilities
30 OS Cisco Ios Xr 3.7.2 Version Details Vulnerabilities
31 OS Cisco Ios Xr 3.7.3 Version Details Vulnerabilities
32 OS Cisco Ios Xr 3.8.0 Version Details Vulnerabilities
33 OS Cisco Ios Xr 3.8.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Ios Xr 33

- References For CVE-2009-2056
CISCO 20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability
SECTRACK 1022756

- Metasploit Modules Related To CVE-2009-2056

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

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