VDB-258324 · CVE-2024-20265 · GCVE-0-2024-20265

Cisco Aironet Access Point Secure Boot trust boundary violation

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Aironet Access Point and Business Wireless Access Point. Affected by this vulnerability is an unknown functionality of the component Secure Boot. The manipulation results in trust boundary violation. This vulnerability is cataloged as CVE-2024-20265. An attack on the physical device is feasible. There is no exploit available. The affected component should be upgraded.

Detailsinfo

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Wireless LAN Software

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/2023 🔍
03/27/2024 +140 days 🔍
03/27/2024 +0 days 🔍
03/27/2024 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2024-20265 (🔍)
GCVE (CVE): GCVE-0-2024-20265
GCVE (VulDB): GCVE-100-258324

Entryinfo

Created: 03/27/2024 18:27
Changes: 03/27/2024 18:27 (63)
Complete: 🔍
Cache ID: 216::103