Wednesday 4 November
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Cisco warns of remote code execution flaw in UCS Central Software before 2.1(2c)

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High
Sources
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's UCS Central Software is affected by a remote code execution vulnerability in versions prior to 2.1(2c), according to advisory AV26-1127, dated 4 November 2026. The Cyber Centre urges users and administrators to review Cisco's linked security advisories and apply the necessary updates.

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What to do

  1. Check whether your environment runs Cisco UCS Central Software and confirm the installed version.
  2. Upgrade any version prior to 2.1(2c) to 2.1(2c) or later as soon as the update is available.
  3. Review the Cisco security advisory linked from the Canadian Centre for Cyber Security notice AV26-1127.

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Full story timeline · 1 update

  1. Wed 4 NovemberCisco security advisory (AV26-1127)Canadian Centre for Cyber Security

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Canadian Centre for Cyber Security

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