CVE-2020-26143

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Summary

CVECVE-2020-26143
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-11 20:15:08 UTC
Updated2026-04-14 09:16:24 UTC
DescriptionAn issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.004000000 probability, percentile 0.607260000 (date 2026-04-15)

Problem Types: CWE-20 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary3.3AV:A/AC:L/Au:N/C:N/I:P/A:N

CVSS v3.1 Breakdown

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

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

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:A/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Alfa Awus036h - All All All
Operating System Alfa Awus036h Firmware 1030.36.604 All All All
Hardware Arista C-65 - All All All
Operating System Arista C-65 Firmware - All All All
Hardware Arista C-75 - All All All
Operating System Arista C-75 Firmware - All All All
Hardware Arista O-90 - All All All
Operating System Arista O-90 Firmware - All All All
Hardware Arista W-68 - All All All
Operating System Arista W-68 Firmware - All All All
Hardware Siemens Scalance W700 Ieee 802.11n - All All All
Operating System Siemens Scalance W700 Ieee 802.11n Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SCALANCE W721-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W721-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W721-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W721-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W722-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W734-1 RJ45 USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W738-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W738-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W738-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W738-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W748-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W761-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W761-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W761-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W761-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W774-1 RJ45 USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 EEC USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W778-1 M12 EEC USA affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 SFP affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 SFP affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 SFP affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2 SFP affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2IA RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2IA RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2IA RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W786-2IA RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-1 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 M12 EEC affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified
ADP Siemens SCALANCE W788-2 RJ45 affected V6.6.0 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Third Party Advisory
fragattacks/SUMMARY.md at master · vanhoefm/fragattacks · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-019200.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
FragAttacks: Security flaws in all Wi-Fi devices af854a3a-2127-422b-91ae-364da2661108 www.fragattacks.com Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-913875.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Security Advisory 0063 - Arista af854a3a-2127-422b-91ae-364da2661108 www.arista.com Third Party Advisory
Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021 af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Third Party Advisory
oss-security - various 802.11 security issues - fragattacks.com af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159403 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9459)
  • 159492 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-4356)
  • 239816 Red Hat Update for kernel security (RHSA-2021:4356)
  • 239879 Red Hat Update for kernel-rt (RHSA-2021:4140)
  • 390248 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0035)
  • 591035 Siemens SCALANCE FragAttacks Multiple Vulnerabilities (ICSA-22-104-04) (SSA-913875)
  • 591104 Mitsubishi Electric GT25-WLAN (Update A) Multiple Vulnerabilities (ICSA-22-102-04)
  • 591150 Hitachi ABB Power Grids TropOS Multiple Vulnerabilities (ICSA-21-236-01,9AKK107992A4463)
  • 671051 EulerOS Security Update for kernel (EulerOS-SA-2021-2663)
  • 671441 EulerOS Security Update for kernel (EulerOS-SA-2022-1366)
  • 671703 EulerOS Security Update for kernel (EulerOS-SA-2022-1735)
  • 940265 AlmaLinux Security Update for kernel (ALSA-2021:4356)
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