SecuriTricks - CVE-2024-20465

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Cisco	Ios	15.2\(8\)e2, 15.2\(8\)e3, 15.2\(8\)e4, 15.2\(8\)e5

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	cisco	ios	15.2\(8\)e2	/	/	/	/	/	/	/
o	cisco	ios	15.2\(8\)e3	/	/	/	/	/	/	/
o	cisco	ios	15.2\(8\)e4	/	/	/	/	/	/	/
o	cisco	ios	15.2\(8\)e5	/	/	/	/	/	/	/

References

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

CVSS Score

5.8 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

View Vector String

Timeline

Published: Sept. 25, 2024, 5:15 p.m.
Last Modified: Oct. 24, 2024, 7:46 p.m.

Status : Analyzed

CVE is currently being analyzed by NVD staff, this process results in association of reference link tags, CVSS scores, CWE association, and CPE applicability statements.

More info

Source

ykramarz@cisco.com

CVE-2024-20465