CVE-2021-1367

Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability

Description

A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted PIM packet to an affected device. A successful exploit could allow the attacker to cause a traffic loop, resulting in a DoS condition.

References

Link	Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-pim-dos-Y8SjMz4	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1367?: CVE-2021-1367 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1367?: To fix CVE-2021-1367, 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-2021-1367 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-1367 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.
What software or system is affected by CVE-2021-1367?: CVE-2021-1367 affects Cisco Cisco NX-OS Software.

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Description

Category

CWE-20 – Improper Input Validation

References

Frequently Asked Questions