Cisco Aironet Access Point Secure Boot trust boundary violation

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability was found in Cisco Aironet Access Point and Business Wireless Access Point (the affected version unknown). It has been classified as critical. Affected is an unknown part of the component Secure Boot. The manipulation with an unknown input leads to a trust boundary violation vulnerability. CWE is classifying the issue as CWE-501. The product mixes trusted and untrusted data in the same data structure or structured message. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device. This vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability is traded as CVE-2024-20265 since 11/08/2023. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The entries VDB-260011, VDB-260025, VDB-260026 and VDB-260027 are related to this item.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (Cisco Systems, Inc.): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Trust boundary violation
CWE: CWE-501
CAPEC: 🔒
ATT&CK: 🔒

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

11/08/2023 CVE reserved
03/27/2024 +140 days Advisory disclosed
03/27/2024 +0 days VulDB entry created
03/27/2024 +0 days VulDB entry last update

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ap-secureboot-bypass-zT5vJkSD
Status: Confirmed

CVE: CVE-2024-20265 (🔒)
See also: 🔒

Entryinfo

Created: 03/27/2024 18:27
Changes: 03/27/2024 18:27 (63)
Complete: 🔍
Cache ID: 3:D35:103

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