CVE-2020-26144
MEDIUMCVSS 6.5/10EPSS 4.91%
Last modified
CVE-2020-26144 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext A-MSDU frames as long as the first 8 bytes correspond to a valid RFC1042 (i.e., LLC/SNAP) header for EAPOL. EPSS estimates a 4.91% chance of exploitation in the next 30 days.
Description
An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext A-MSDU frames as long as the first 8 bytes correspond to a valid RFC1042 (i.e., LLC/SNAP) header for EAPOL. An adversary can abuse this to inject arbitrary network packets independent of the network configuration.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samsung | Galaxy I9305 Firmware | 4.4.4 |
| Arista | C-250 Firmware | < 10.0.1-31 |
| Arista | C-260 Firmware | < 10.0.1-31 |
| Arista | C-230 Firmware | < 10.0.1-31 |
| Arista | C-235 Firmware | < 10.0.1-31 |
| Arista | C-200 Firmware | < 11.0.0-36 |
| Arista | C-120 Firmware | < 11.0.0-36 |
| Arista | C-130 Firmware | < 11.0.0-36 |
| Arista | C-100 Firmware | < 11.0.0-36 |
| Arista | C-110 Firmware | < 11.0.0-36 |
| Arista | O-105 Firmware | < 11.0.0-36 |
| Arista | W-118 Firmware | < 11.0.0-36 |
| Arista | C-75 Firmware | All versions |
| Arista | O-90 Firmware | All versions |
| Arista | C-65 Firmware | All versions |
| Arista | W-68 Firmware | All versions |
| Siemens | Scalance W700 Ieee 802.11ax Firmware | All versions |
| Siemens | Scalance W700 Ieee 802.11n Firmware | All versions |
References
- http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird Party Advisory
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
- https://www.fragattacks.comThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird Party Advisory
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
- https://www.fragattacks.comThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-26144?
An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext A-MSDU frames as long as the first 8 bytes correspond to a valid RFC1042 (i.e., LLC/SNAP) header for EAPOL. An adversary can abuse this to inject arbitrary network packets independent of the network configuration.
How severe is CVE-2020-26144?
CVE-2020-26144 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.91% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26144?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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