CVE-2020-26142
MEDIUM
5.3
CVSS Score
Published: May 11, 2021 at 07:41 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorOpenBSD
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/05/11/12x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdVendor Advisoryx_refsource_CISCOThird Party Advisory
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWux_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-74
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