Is CVE-2020-26141 in the CISA KEV catalog?

No. CVE-2020-26141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-26141?

CVE-2020-26141 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-26141?

CVE-2020-26141 has an EPSS score of 3.07% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-26141?

Upgrade linux on debian 11 to 5.10.46-1 or later. Fixes are available for 87 affected products.

CVE & CISA-KEV Catalog

CVE-2020-26141

MEDIUMEPSS 86th pctl

6.5

CVSS v3

NVD

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.

CWE-354

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.46-1CVE-2020-26141

linuxUbuntu

Fixed in:4.4.0-223.256USN-5361-1

Fixed in:5.4.0-77.86USN-5000-1

linux-awsUbuntu

Fixed in:4.4.0-1103.108USN-5361-1

Fixed in:4.4.0-1139.153USN-5361-1

Fixed in:5.4.0-1051.53USN-5000-1

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1051.53~18.04.1USN-5000-1

linux-aws-5.8Ubuntu

Fixed in:5.8.0-1038.40~20.04.1USN-4999-1

linux-azureUbuntu

Fixed in:5.4.0-1051.53USN-5000-1

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1051.53~18.04.1USN-5000-1

linux-azure-5.8Ubuntu

Fixed in:5.8.0-1036.38~20.04.1USN-4999-1

linux-gcpUbuntu

Fixed in:5.4.0-1046.49USN-5000-1

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1046.49~18.04.1USN-5000-1

linux-gcp-5.8Ubuntu

Fixed in:5.8.0-1035.37~20.04.1USN-4999-1

linux-gkeUbuntu

Fixed in:5.4.0-1046.48USN-5000-1

linux-gke-5.4Ubuntu

Fixed in:5.4.0-1046.48~18.04.1USN-5000-1

linux-gkeopUbuntu

Fixed in:5.4.0-1018.19USN-5000-1

linux-gkeop-5.4Ubuntu

Fixed in:5.4.0-1018.19~18.04.1USN-5000-1

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-77.86~18.04.1USN-5000-1

linux-hwe-5.8Ubuntu

Fixed in:5.8.0-59.66~20.04.1USN-4999-1

linux-image-4.4.0-1103-awsUbuntu

Fixed in:4.4.0-1103.108USN-5361-1

linux-image-4.4.0-1104-kvmUbuntu

Fixed in:4.4.0-1104.113USN-5361-1

linux-image-4.4.0-1139-awsUbuntu

Fixed in:4.4.0-1139.153USN-5361-1

linux-image-4.4.0-223-genericUbuntu

Fixed in:4.4.0-223.256~14.04.1USN-5361-1

Fixed in:4.4.0-223.256USN-5361-1

linux-image-4.4.0-223-lowlatencyUbuntu

Fixed in:4.4.0-223.256~14.04.1USN-5361-1

Fixed in:4.4.0-223.256USN-5361-1

linux-image-5.10.0-1033-oemUbuntu

Fixed in:5.10.0-1033.34USN-5001-1

linux-image-5.4.0-1018-gkeopUbuntu

Fixed in:5.4.0-1018.19~18.04.1USN-5000-1

Fixed in:5.4.0-1018.19USN-5000-1

linux-image-5.4.0-1038-raspiUbuntu

Fixed in:5.4.0-1038.41~18.04.1USN-5000-1

Fixed in:5.4.0-1038.41USN-5000-1

linux-image-5.4.0-1041-kvmUbuntu

Fixed in:5.4.0-1041.42USN-5000-2

linux-image-5.4.0-1046-gcpUbuntu

Fixed in:5.4.0-1046.49~18.04.1USN-5000-1

Fixed in:5.4.0-1046.49USN-5000-1

linux-image-5.4.0-1046-gkeUbuntu

Fixed in:5.4.0-1046.48~18.04.1USN-5000-1

Fixed in:5.4.0-1046.48USN-5000-1

linux-image-5.4.0-1048-oracleUbuntu

Fixed in:5.4.0-1048.52~18.04.1USN-5000-1

Fixed in:5.4.0-1048.52USN-5000-1

linux-image-5.4.0-1051-awsUbuntu

Fixed in:5.4.0-1051.53~18.04.1USN-5000-1

Fixed in:5.4.0-1051.53USN-5000-1

linux-image-5.4.0-1051-azureUbuntu

Fixed in:5.4.0-1051.53~18.04.1USN-5000-1

Fixed in:5.4.0-1051.53USN-5000-1

linux-image-5.4.0-77-genericUbuntu

Fixed in:5.4.0-77.86~18.04.1USN-5000-1

Fixed in:5.4.0-77.86USN-5000-1

linux-image-5.4.0-77-generic-lpaeUbuntu

Fixed in:5.4.0-77.86~18.04.1USN-5000-1

Fixed in:5.4.0-77.86USN-5000-1

linux-image-5.4.0-77-lowlatencyUbuntu

Fixed in:5.4.0-77.86~18.04.1USN-5000-1

Fixed in:5.4.0-77.86USN-5000-1

linux-image-5.8.0-1033-oracleUbuntu

Fixed in:5.8.0-1033.34~20.04.1USN-4999-1

linux-image-5.8.0-1035-gcpUbuntu

Fixed in:5.8.0-1035.37~20.04.1USN-4999-1

linux-image-5.8.0-1036-azureUbuntu

Fixed in:5.8.0-1036.38~20.04.1USN-4999-1

linux-image-5.8.0-1038-awsUbuntu

Fixed in:5.8.0-1038.40~20.04.1USN-4999-1

linux-image-5.8.0-59-genericUbuntu

Fixed in:5.8.0-59.66~20.04.1USN-4999-1

linux-image-5.8.0-59-generic-64kUbuntu

Fixed in:5.8.0-59.66~20.04.1USN-4999-1

linux-image-5.8.0-59-generic-lpaeUbuntu

Fixed in:5.8.0-59.66~20.04.1USN-4999-1

linux-image-5.8.0-59-lowlatencyUbuntu

Fixed in:5.8.0-59.66~20.04.1USN-4999-1

linux-image-awsUbuntu

Fixed in:4.4.0.1103.101USN-5361-1

Fixed in:4.4.0.1139.144USN-5361-1

Fixed in:5.4.0.1051.33USN-5000-1

Fixed in:5.8.0.1038.40~20.04.11USN-4999-1

linux-image-aws-lts-20.04Ubuntu

Fixed in:5.4.0.1051.53USN-5000-1

linux-image-azureUbuntu

Fixed in:5.4.0.1051.30USN-5000-1

Fixed in:5.8.0.1036.38~20.04.8USN-4999-1

linux-image-azure-lts-20.04Ubuntu

Fixed in:5.4.0.1051.49USN-5000-1

linux-image-gcpUbuntu

Fixed in:5.4.0.1046.33USN-5000-1

Fixed in:5.8.0.1035.37~20.04.9USN-4999-1

linux-image-gcp-lts-20.04Ubuntu

Fixed in:5.4.0.1046.55USN-5000-1

linux-image-genericUbuntu

Fixed in:4.4.0.223.230USN-5361-1

Fixed in:5.4.0.77.80USN-5000-1

linux-image-generic-64k-hwe-20.04Ubuntu

Fixed in:5.8.0.59.66~20.04.42USN-4999-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.8.0.59.66~20.04.42USN-4999-1

linux-image-generic-lpaeUbuntu

Fixed in:5.4.0.77.80USN-5000-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.8.0.59.66~20.04.42USN-4999-1

linux-image-generic-lts-xenialUbuntu

Fixed in:4.4.0.223.194USN-5361-1

linux-image-gkeUbuntu

Fixed in:5.4.0.1046.55USN-5000-1

linux-image-gke-5.4Ubuntu

Fixed in:5.4.0.1046.48~18.04.12USN-5000-1

Fixed in:5.4.0.1046.55USN-5000-1

linux-image-gkeopUbuntu

Fixed in:5.4.0.1018.21USN-5000-1

linux-image-gkeop-5.4Ubuntu

Fixed in:5.4.0.1018.19~18.04.19USN-5000-1

Fixed in:5.4.0.1018.21USN-5000-1

linux-image-kvmUbuntu

Fixed in:4.4.0.1104.102USN-5361-1

Fixed in:5.4.0.1041.39USN-5000-2

linux-image-lowlatencyUbuntu

Fixed in:4.4.0.223.230USN-5361-1

Fixed in:5.4.0.77.80USN-5000-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.8.0.59.66~20.04.42USN-4999-1

linux-image-lowlatency-lts-xenialUbuntu

Fixed in:4.4.0.223.194USN-5361-1

linux-image-oemUbuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

Fixed in:5.4.0.77.80USN-5000-1

linux-image-oem-20.04Ubuntu

Fixed in:5.10.0.1033.34USN-5001-1

linux-image-oem-20.04bUbuntu

Fixed in:5.10.0.1033.34USN-5001-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

Fixed in:5.4.0.77.80USN-5000-1

linux-image-oracleUbuntu

Fixed in:5.4.0.1048.52~18.04.30USN-5000-1

Fixed in:5.8.0.1033.34~20.04.9USN-4999-1

linux-image-oracle-lts-20.04Ubuntu

Fixed in:5.4.0.1048.48USN-5000-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1038.73USN-5000-1

linux-image-raspi-hwe-18.04Ubuntu

Fixed in:5.4.0.1038.40USN-5000-1

linux-image-raspi2Ubuntu

Fixed in:5.4.0.1038.73USN-5000-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

linux-image-virtualUbuntu

Fixed in:4.4.0.223.230USN-5361-1

Fixed in:5.4.0.77.80USN-5000-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.77.86~18.04.69USN-5000-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.8.0.59.66~20.04.42USN-4999-1

linux-image-virtual-lts-xenialUbuntu

Fixed in:4.4.0.223.194USN-5361-1

linux-kvmUbuntu

Fixed in:4.4.0-1104.113USN-5361-1

Fixed in:5.4.0-1041.42USN-5000-2

linux-lts-xenialUbuntu

Fixed in:4.4.0-223.256~14.04.1USN-5361-1

linux-oem-5.10Ubuntu

Fixed in:5.10.0-1033.34USN-5001-1

linux-oracleUbuntu

Fixed in:5.4.0-1048.52USN-5000-1

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1048.52~18.04.1USN-5000-1

linux-oracle-5.8Ubuntu

Fixed in:5.8.0-1033.34~20.04.1USN-4999-1

linux-raspiUbuntu

Fixed in:5.4.0-1038.41USN-5000-1

linux-raspi-5.4Ubuntu

Fixed in:5.4.0-1038.41~18.04.1USN-5000-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

3.07%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Third-Party Advisory6

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-14.