What is CVE-2020-3338?

CVE-2020-3338 is a high-severity vulnerability in Cisco Nx-os Software 5.2(1), classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2020-08-27.

How severe is CVE-2020-3338?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cisco Nx-os Software 5.2(1)

CVE-2020-3338

A vulnerability in the Protocol Independent Multicast (PIM) feature for IPv6 networks (PIM6) of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vu…

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Nx-os Software 5.2(1) — versions n/a
Cisco Nexus_3016
Cisco Nexus_3048
Cisco Nexus_3064
Cisco Nexus_3064-t
Cisco Nexus_31108pc-v
Cisco Nexus_31108tc-v
Cisco Nexus_31128pq
Cisco Nexus_3132c-z
Cisco Nexus_3132q

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release
CWE-755 — Improper Handling of Exceptional Conditions

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3338?: CVE-2020-3338 is a high-severity vulnerability in Cisco Nx-os Software 5.2(1), classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2020-08-27.
How severe is CVE-2020-3338?: High severity. CVSS v3 base score is 7.5 out of 10.