CVE-2021-1367
low-risk
Published 2021-02-24
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.
Do I need to act?
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0.22% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10
Medium
ADJACENT_NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (2)
21
/ 100
low-risk
Severity
15/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal