Vulnerability Details : CVE-2020-26143
An 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.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2020-26143
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 52 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-26143
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:P/A:N |
6.5
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-26143
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26143
-
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
Third Party Advisory
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https://www.fragattacks.com
FragAttacks: Security flaws in all Wi-Fi devicesThird Party Advisory
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021Third Party Advisory
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https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
fragattacks/SUMMARY.md at master · vanhoefm/fragattacks · GitHubThird Party Advisory
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https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
Security Advisory 0063 - AristaThird Party Advisory
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http://www.openwall.com/lists/oss-security/2021/05/11/12
oss-security - various 802.11 security issues - fragattacks.comMailing List;Third Party Advisory
Products affected by CVE-2020-26143
- cpe:2.3:o:siemens:scalance_w700_ieee_802.11n_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:alfa:awus036h_firmware:1030.36.604:*:*:*:*:windows_10:*:*