Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-26141

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/05/2021
Last modified:
22/04/2022

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:A/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:alfa:awus036h_firmware:6.1316.1209:*:*:*:*:windows_10:*:*
cpe:2.3:h:alfa:awus036h:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_gr10_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_gr10:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_gr60_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_gr60:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_mr20_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_mr20:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_mr30h_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_mr30h:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_mr33_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_mr33:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_mr36_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)
cpe:2.3:h:cisco:meraki_mr36:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:meraki_mr42_firmware:*:*:*:*:*:*:*:* 27.7.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools