THREATPORT/VULNERABILITY/CVE-2020-26146
MEDIUM SEVERITY

CVE-2020-26146

Galaxy I9305 Firmware vulnerability

CVSS
5.3
EPSS
5.6%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Samsung
Affected product
Galaxy I9305 Firmware
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2021-05-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2020-26146

  • Confirm whether Samsung Galaxy I9305 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-26146.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-26146

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-26146 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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