Executive Summary

Informations
Name CVE-2023-20191 First vendor Publication 2023-09-13
Vendor Cve Last vendor Modification 2024-01-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.

This vulnerability is due to incomplete support for this feature. 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.

There are workarounds that address this vulnerability.

This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20191

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware 1
Os 343

Sources (Detail)

Source Url
MISC https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory...

Alert History

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Date Informations
2024-10-09 02:38:05
  • Multiple Updates
2024-10-08 02:38:36
  • Multiple Updates
2024-10-03 13:35:34
  • Multiple Updates
2024-07-26 02:33:14
  • Multiple Updates
2024-01-25 21:27:50
  • Multiple Updates
2023-10-26 09:27:44
  • Multiple Updates
2023-10-26 02:33:35
  • Multiple Updates
2023-10-26 00:27:54
  • Multiple Updates
2023-09-20 00:27:30
  • Multiple Updates
2023-09-19 21:27:24
  • Multiple Updates
2023-09-14 17:27:19
  • First insertion