What is the vulnerability ID for this Cisco NX-OS Software vulnerability?

The vulnerability ID for this Cisco NX-OS Software vulnerability is CVE-2020-3338.

What is the severity of CVE-2020-3338?

The severity of CVE-2020-3338 is high, with a severity value of 7.5.

What is the affected software for this vulnerability?

The affected software for this vulnerability is Cisco NX-OS Software.

How can an attacker exploit CVE-2020-3338?

An unauthenticated, remote attacker can exploit CVE-2020-3338 to cause a denial of service (DoS) condition on an affected device.

Where can I find more information about CVE-2020-3338?

You can find more information about CVE-2020-3338 in the Cisco Security Advisory.

Vulnerability/
CVE-2020-3338

high

7.5

CWE

755 404

27/8/2020

6/8/2021

CVE-2020-3338

First published: Thu Aug 27 2020(Updated: )

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 vulnerability is due to improper error handling when processing inbound PIM6 packets. An attacker could exploit this vulnerability by sending multiple crafted PIM6 packets to an affected device. A successful exploit could allow the attacker to cause the PIM6 application to leak system memory. Over time, this memory leak could cause the PIM6 application to stop processing legitimate PIM6 traffic, leading to a DoS condition on the affected device.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Nx-os
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
Cisco Nexus 3132q-v
Cisco Nexus 3132q-xl
Cisco Nexus 3164q
Cisco Nexus 3172
Cisco Nexus 3172pq-xl
Cisco Nexus 3172tq
Cisco Nexus 3172tq-32t
Cisco Nexus 3172tq-xl
Cisco Nexus 3232c
Cisco Nexus 3264c-e
Cisco Nexus 3264q
Cisco Nexus 3408-s
Cisco Nexus 34180yc
Cisco Nexus 3432d-s
Cisco Nexus 3464c
Cisco Nexus 3524
Cisco Nexus 3524-x
Cisco Nexus 3524-xl
Cisco Nexus 3548
Cisco Nexus 3548-x
Cisco Nexus 3548-xl
Cisco Nexus 36180yc-r
Cisco Nexus 3636c-r
Cisco Nexus 7000
Cisco Nexus 7700
Cisco Nexus 9000v
Cisco Nexus 92160yc-x
Cisco Nexus 92300yc
Cisco Nexus 92304qc
Cisco Nexus 92348gc-x
Cisco Nexus 9236c
Cisco Nexus 9272q
Cisco Nexus 93108tc-ex
Cisco Nexus 93108tc-fx
Cisco Nexus 93120tx
Cisco Nexus 93128tx
Cisco Nexus 93180lc-ex
Cisco Nexus 93180yc-ex
Cisco Nexus 93180yc-fx
Cisco Nexus 93216tc-fx2
Cisco Nexus 93240yc-fx2
Cisco Nexus 9332c
Cisco Nexus 9332pq
Cisco Nexus 93360yc-fx2
Cisco Nexus 9336c-fx2
Cisco Nexus 9336pq Aci Spine
Cisco Nexus 9348gc-fxp
Cisco Nexus 9364c
Cisco Nexus 9372px
Cisco Nexus 9372px-e
Cisco Nexus 9372tx
Cisco Nexus 9372tx-e
Cisco Nexus 9396px
Cisco Nexus 9396tx
Cisco Nexus 9504
Cisco Nexus 9508
Cisco Nexus 9516

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-pim-memleak-dos-tC8eP7uw

Frequently Asked Questions

What is the vulnerability ID for this Cisco NX-OS Software vulnerability?
The vulnerability ID for this Cisco NX-OS Software vulnerability is CVE-2020-3338.
What is the severity of CVE-2020-3338?
The severity of CVE-2020-3338 is high, with a severity value of 7.5.
What is the affected software for this vulnerability?
The affected software for this vulnerability is Cisco NX-OS Software.
How can an attacker exploit CVE-2020-3338?
An unauthenticated, remote attacker can exploit CVE-2020-3338 to cause a denial of service (DoS) condition on an affected device.
Where can I find more information about CVE-2020-3338?
You can find more information about CVE-2020-3338 in the Cisco Security Advisory.