CVE-2013-1121

Description

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service (device reload) via a crafted AS path set, aka Bug ID CSCuf49554.

Category

5.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-1121?
CVE-2013-1121 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1121?
To fix CVE-2013-1121, 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-2013-1121 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1121 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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