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Cisco Bug: CSCvs87895 - Evaluation of 8851/61/45/65 for Kr00k attack - CVE-2019-15126

Last Modified

Jul 17, 2020

Products (13)

  • Cisco IP Phone 8800 Series
  • Cisco IP Phone 8865
  • Cisco IP Phone 8851
  • Cisco IP Conference Phone 7832
  • Cisco IP Phone 7841
  • Cisco IP Phone 7821
  • Cisco IP Phone 8811
  • Cisco IP Phone 8861
  • Cisco IP Phone 7861
  • Cisco IP Phone 8845
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Known Affected Releases


Description (partial)

On February 26th, 2020 security researchers disclosed a vulnerability in the implementation of the wireless egress packet processing of certain Wi-Fi chipsets manufactured by Broadcom and Cypress Semiconductor. This vulnerability could allow an unauthenticated, adjacent attacker to decrypt Wi-Fi frames without the knowledge of the Wireless Protected Access (WPA) or Wireless Protected Access 2 (WPA2) Pairwise Temporal Key (PTK) used to secure the Wi-Fi network.

The vulnerability is known as Kr00k and is identified by the following Common Vulnerability and Exposures (CVE) ID: CVE-2019-15126

The product Cisco IP Phone 8861 embeds a wireless chipset affected by the vulnerability described above, Cisco has assessed the impact to the product and confirmed that is affected.

This advisory is available at the following link:

Please refer to the Security Advisory.
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Bug Details Include

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