What is the severity of CVE-2024-20465?

CVE-2024-20465 has been assigned a high severity level due to its potential to allow unauthorized access.

How do I fix CVE-2024-20465?

To mitigate CVE-2024-20465, upgrade your Cisco IOS Software to the latest version that addresses this vulnerability.

What devices are affected by CVE-2024-20465?

CVE-2024-20465 affects Cisco Industrial Ethernet 4000, 4010, and 5000 Series Switches running specific versions of Cisco IOS.

Can CVE-2024-20465 be exploited remotely?

Yes, CVE-2024-20465 can be exploited by unauthenticated remote attackers.

What causes the vulnerability in CVE-2024-20465?

CVE-2024-20465 is caused by the incorrect handling of IPv4 ACLs in the access control list programming.

Vulnerability/
CVE-2024-20465

medium

5.8

CWE

284

25/9/2024

24/10/2024

CVE-2024-20465

First published: Wed Sep 25 2024(Updated: )

A vulnerability in the access control list (ACL) programming of Cisco IOS Software running on Cisco Industrial Ethernet 4000, 4010, and 5000 Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the incorrect handling of IPv4 ACLs on switched virtual interfaces when an administrator enables and disables Resilient Ethernet Protocol (REP). An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Puppet Cisco IOS	=15.2\(8\)e2
Puppet Cisco IOS	=15.2\(8\)e3
Puppet Cisco IOS	=15.2\(8\)e4
Puppet Cisco IOS	=15.2\(8\)e5

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-repacl-9eXgnBpD

Frequently Asked Questions

What is the severity of CVE-2024-20465?
CVE-2024-20465 has been assigned a high severity level due to its potential to allow unauthorized access.
How do I fix CVE-2024-20465?
To mitigate CVE-2024-20465, upgrade your Cisco IOS Software to the latest version that addresses this vulnerability.
What devices are affected by CVE-2024-20465?
CVE-2024-20465 affects Cisco Industrial Ethernet 4000, 4010, and 5000 Series Switches running specific versions of Cisco IOS.
Can CVE-2024-20465 be exploited remotely?
Yes, CVE-2024-20465 can be exploited by unauthenticated remote attackers.
What causes the vulnerability in CVE-2024-20465?
CVE-2024-20465 is caused by the incorrect handling of IPv4 ACLs in the access control list programming.

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agent/weakness
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source/MITRE
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collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/cisco
canonical/cisco ios
version/cisco ios/15.2\(8\)e2
version/cisco ios/15.2\(8\)e3
version/cisco ios/15.2\(8\)e4
version/cisco ios/15.2\(8\)e5

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