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CVE-2020-26146

Published: May 11, 2021Updated: Jun 2, 2026 Sources: CVE List NVD BDU csafCWE-20
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
5.6%
Top 8.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. An adversary can abuse this to exfiltrate selected fragments. This vulnerability is exploitable when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used. Note that WEP is vulnerable to this attack by design.

CVSS Vector Breakdown

AV:AAC:HPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-20

Affected Products

galaxy i9305 firmwaresamsung
Embedded
Mobile Apps / android-app
c-250 firmwarearistaNetworking Infrastructure
c-260 firmwarearistaNetworking Infrastructure
c-230 firmwarearistaNetworking Infrastructure
c-235 firmwarearistaNetworking Infrastructure
samsungcommercialKRMobile Appsaka samsung electronics
aristacommercialUSNetworking Infrastructure
and 42 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2021/05/11/12
openwall.com
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
cert-portal.siemens.com
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
github.com
and 63 more references View all →

Timeline

Published
May 11, 2021
Last Updated
Jun 2, 2026

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