CVE-2018-0156

Known Exploited

Description

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 16.46% Top 10%
KEV Since 
Vendor Advisory cisco.com
Affected: n/a Cisco IOS and IOS XE
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2018-0156?
CVE-2018-0156 has been scored as a high severity vulnerability.
How to fix CVE-2018-0156?
To fix CVE-2018-0156, 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-2018-0156 being actively exploited in the wild?
It is confirmed that CVE-2018-0156 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0156?
CVE-2018-0156 affects n/a Cisco IOS and IOS XE.
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