# MA-1049.032024: MyCERT Advisory - Cisco Security Updates

**Date:** 30 Mar 2024  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-1049.032024  
**Advisory ID:** MA-1049.032024

---

**1.0 Introduction**
Recently, Cisco released security updates to address vulnerabilities in Cisco IOS, IOS XE and AP software.
**2.0 Impact**
A cyber threat actor could exploit some of these vulnerabilities to cause a denial-of-service.
**3.0 Affected Products**
- Cisco IOS and IOS XE Software.
- Cisco Access Point Software.
**4.0 Recommendations**
CyberSecurity Malaysia encourages users and administrators to review the following Security Updates released by Cisco and apply the necessary updates:
- Cisco Event Response: March 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication: <https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75056>
- Cisco Access Point Software Secure Boot Bypass Vulnerability: <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD>
- Cisco Access Point Software Denial of Service Vulnerability: <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-dos-h9TGGX6W>
Generally, we advise users to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact the Cyber999 Incident Response Centre through the following channels:
E-mail: cyber999[at]cybersecurity.my 
Phone: 1-300-88-2999 (monitored during business hours) 
Mobile: +60 19 2665850 (24x7 call incident reporting) 
Business Hours: Mon - Fri 08:30 -17:30 MYT 
Web: [https://www.mycert.org.my](https://www.mycert.org.my/) 
**5.0    References**
- <https://www.cisa.gov/news-events/alerts/2024/03/28/cisco-releases-security-updates-multiple-products>
- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-dos-h9TGGX6W>
- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD>
- <https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75056>
- <https://sec.cloudapps.cisco.com/security/center/publicationListing.x>