channelCybersecurity, Networking, Technology, Information Security

Cisco Security • News & Vulnerabilities

Stay in the loop with critical updates on Cisco vulnerabilities and news.

TELEGRAM USERNAME@Cisco

MEMBERS18.3K

About this listing

Cisco Security • News & Vulnerabilities is a Telegram channel listed on TeleHub. View its description, category, member count, and Telegram join link.

Description

This channel provides essential information about Cisco-related vulnerabilities and updates. While it is not an official source, it's a valuable resource for IT professionals, network engineers, and anyone interested in cybersecurity issues pertaining to Cisco products. With over 18,000 members, you can expect timely alerts and informative discussions on security concerns that might affect your systems.

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Statistics updated September 9, 2026

Activity

Last public post

46 days ago

Member growth

18.0K18.3K

24 hours

+1 (+0.0%)

7 days

-3 (-0.0%)

30 days

+16 (+0.1%)

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Recent public posts

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Cisco Security • News & Vulnerabilities@Cisco

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Cisco Security • News & Vulnerabilities@Cisco

Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20UCS%20and%20UCS-Based%20Appliances%20UEFI%20Shell%20Secure%20Boot%20Bypass%20Vulnerability%26vs_k=1 A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access to an affected device to bypass UEFI Secure Boot validation checks and execute unauthorized software. This vulnerability is due to the availability of memory write commands in the UEFI Shell while UEFI Secure Boot is enabled on a device. An attacker could exploit this vulnerability by selecting the UEFI Shell boot option at boot time and using available shell commands to modify UEFI memory variables. A successful exploit could allow the attacker to manipulate the preboot environment, overwrite UEFI Secure Boot-related memory values, and execute unauthorized software on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW Security Impact Rating: High CVE: CVE-2026-20293

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Listing details

MEMBERS18.3K

VOTES0

RANKfree

STATUSapproved

channel-is-h-nn-l-632690491d2576-2ffb-42af-b14f-2e490f86aed0

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FAQ

How do I join Cisco Security • News & Vulnerabilities?

Click the join button to open Cisco Security • News & Vulnerabilities on Telegram.

Is Cisco Security • News & Vulnerabilities NSFW?

No, Cisco Security • News & Vulnerabilities is not marked as NSFW. Users should still review the community before joining.

What category is Cisco Security • News & Vulnerabilities in?

Cisco Security • News & Vulnerabilities is listed under Cybersecurity, Networking, Technology, Information Security on TeleHub.

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