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CVE-2024-20465

Oct. 24, 2024, 7:46 p.m.

CVSS Score

5.8 / 10

Products Impacted

Vendor Product Versions
cisco
  • ios
  • 15.2\(8\)e2, 15.2\(8\)e3, 15.2\(8\)e4, 15.2\(8\)e5

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.

Weaknesses

CWE-284
Improper Access Control

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

CWE ID: 284

Date

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

CPEs

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 / / / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Base Score
5.8
Exploitability Score
3.9
Impact Score
1.4
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References