CVE-2009-2049

Description

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.

Category

5.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.67% Top 20%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml patch vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6853 vdb entry signature
http://secunia.com/advisories/36046 third party advisory
http://www.vupen.com/english/advisories/2009/2082 vdb entry
http://www.securitytracker.com/id?1022619 vdb entry
http://www.securityfocus.com/bid/35860 vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-2049?
CVE-2009-2049 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2049?
To fix CVE-2009-2049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2049 being actively exploited in the wild?
It is possible that CVE-2009-2049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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