CVE-2020-26146

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.98% Top 25%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu third party advisory vendor advisory
https://www.fragattacks.com third party advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md third party advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12 third party advisory mailing list
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf third party advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-26146?
CVE-2020-26146 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26146?
To fix CVE-2020-26146, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26146 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26146 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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