Cisco IOS XR Bootloader information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS XR. The affected element is an unknown function of the component Bootloader. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2023-20064. The attack can be executed directly on the physical device. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS XR (Router Operating System) (affected version not known) and classified as problematic. Affected by this issue is some unknown functionality of the component Bootloader. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 03/08/2023 as cisco-sa-iosxr-load-infodisc-9rdOr5Fq. The advisory is available at sec.cloudapps.cisco.com. This vulnerability is handled as CVE-2023-20064 since 10/27/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24243). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
03/08/2023 +132 days 🔍
03/08/2023 +0 days 🔍
08/19/2025 +895 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-iosxr-load-infodisc-9rdOr5Fq
Status: Confirmed

CVE: CVE-2023-20064 (🔍)
GCVE (CVE): GCVE-0-2023-20064
GCVE (VulDB): GCVE-100-222602
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/08/2023 19:19
Updated: 08/19/2025 19:55
Changes: 03/08/2023 19:19 (20), 03/08/2023 19:20 (19), 04/01/2023 20:24 (1), 08/19/2025 19:55 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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