Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2020-26142 Details

Description

An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md CVEThird Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu CVEThird Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 CVEThird Party Advisory
https://www.fragattacks.com CVEThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12 CVEMailing ListThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')[email protected]

Affected Products

ProductVersions
openbsd openbsd
6.6

CPE

  • cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-26142
NVD Published Date:
May 11, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-26142 Details - Not Deferred