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Ip Phone 8861 Firmware CVE-2020-26141

MEDIUM
Improper Validation of Integrity Check Value (CWE-354)
2021-05-11 cve@mitre.org
Microsoft Cisco Code Injection Siemens Ip Phone 8861 Firmware Ip Phone 8865 Firmware Ip Phone 6861 Firmware Meraki Gr10 Firmware Meraki Gr60 Firmware Meraki Mr12 Firmware Meraki Mr20 Firmware Meraki Mr26 Firmware Meraki Mr30H Firmware Meraki Mr32 Firmware Meraki Mr33 Firmware Meraki Mr34 Firmware Meraki Mr36 Firmware Meraki Mr42 Firmware Meraki Mr42E Firmware Meraki Mr44 Firmware Meraki Mr45 Firmware Meraki Mr46 Firmware Meraki Mr46E Firmware Meraki Mr52 Firmware Meraki Mr53 Firmware Meraki Mr53E Firmware Meraki Mr55 Firmware Meraki Mr56 Firmware Meraki Mr62 Firmware Meraki Mr66 Firmware Meraki Mr70 Firmware Meraki Mr72 Firmware Meraki Mr74 Firmware Meraki Mr76 Firmware Meraki Mr84 Firmware Meraki Mr86 Firmware Meraki Mx64W Firmware Meraki Mx65W Firmware Meraki Mx67Cw Firmware Meraki Mx67W Firmware Meraki Mx68Cw Firmware Meraki Mx68W Firmware Meraki Z3 Firmware Meraki Z3C Firmware Awus036H Firmware Meraki Mr18 Firmware Wireless Ip Phone 8821 Firmware Ip Conference Phone 8832 Firmware Webex Room Series Firmware Webex Desk Series Firmware Webex Board Series Firmware Webex Wireless Phone 860 Firmware Webex Wireless Phone 840 Firmware 6Gk5778 1Gy00 0Ab0 Firmware 6Gk5778 1Gy00 0Aa0 Firmware 6Gk5721 1Fc00 0Aa0 Firmware 6Gk5721 1Fc00 0Ab0 Firmware 6Gk5722 1Fc00 0Aa0 Firmware 6Gk5722 1Fc00 0Ab0 Firmware 6Gk5722 1Fc00 0Ac0 Firmware 6Gk5734 1Fx00 0Aa0 Firmware 6Gk5734 1Fx00 0Aa6 Firmware 6Gk5734 1Fx00 0Ab0 Firmware 6Gk5734 1Fx00 0Ab6 Firmware 6Gk5738 1Gy00 0Aa0 Firmware 6Gk5738 1Gy00 0Ab0 Firmware 6Gk5748 1Fc00 0Aa0 Firmware 6Gk5748 1Fc00 0Ab0 Firmware 6Gk5748 1Gd00 0Aa0 Firmware 6Gk5748 1Gd00 0Ab0 Firmware 6Gk5761 1Fc00 0Aa0 Firmware 6Gk5761 1Fc00 0Ab0 Firmware 6Gk5774 1Fx00 0Aa0 Firmware 6Gk5774 1Fx00 0Aa6 Firmware 6Gk5774 1Fx00 0Ab0 Firmware 6Gk5774 1Fx00 0Ab6 Firmware 6Gk5774 1Fy00 0Ta0 Firmware 6Gk5774 1Fy00 0Tb0 Firmware 6Gk5778 1Gy00 0Ta0 Firmware 6Gk5778 1Gy00 0Tb0 Firmware 6Gk5786 1Fc00 0Aa0 Firmware 6Gk5786 1Fc00 0Ab0 Firmware 6Gk5786 2Fc00 0Aa0 Firmware 6Gk5786 2Fc00 0Ab0 Firmware 6Gk5786 2Fc00 0Ac0 Firmware 6Gk5786 2Hc00 0Aa0 Firmware 6Gk5786 2Hc00 0Ab0 Firmware 6Gk5788 1Fc00 0Aa0 Firmware 6Gk5788 1Fc00 0Ab0 Firmware 6Gk5788 1Gd00 0Aa0 Firmware 6Gk5788 1Gd00 0Ab0 Firmware 6Gk5788 2Fc00 0Aa0 Firmware 6Gk5788 2Fc00 0Ab0 Firmware 6Gk5788 2Fc00 0Ac0 Firmware 6Gk5788 2Gd00 0Aa0 Firmware 6Gk5788 2Gd00 0Ab0 Firmware 6Gk5788 2Gd00 0Ta0 Firmware 6Gk5788 2Gd00 0Tb0 Firmware 6Gk5788 2Gd00 0Tc0 Firmware Alfa
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
May 11, 2021 - 20:15 cve.org
MEDIUM 6.5

DescriptionCVE.org

An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.

AnalysisAI

An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-354. An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol. Affected products include: Alfa Awus036H Firmware, Cisco Meraki Gr10 Firmware, Cisco Meraki Gr60 Firmware, Cisco Meraki Mr20 Firmware, Cisco Meraki Mr30H Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2020-26141 vulnerability details – vuln.today

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