Security readout for executives and security teams
CVE-2020-13600 is a heap-based buffer overflow in Zephyr’s eswifi handling. A malformed SPI response can corrupt kernel memory. Business risk is highest for embedded devices using affected Zephyr firmware where an attacker can get physical or peripheral-level access. Exposure is likely limited to products using affected Zephyr versions or ranges with the eswifi SPI path. Internet-facing exposure is not indicated by the provided CVSS vector or sources. Treat this as high priority for affected embedded products, especially fielded devices in accessible locations. It is not presented as a mass remote exploitation issue, but successful exploitation could compromise device confidentiality, integrity, and availability. Mitigation focus: Inventory Zephyr-based firmware for the affected versions or ranges cited in the CVE.; Identify whether the eswifi SPI path is enabled or reachable in affected products.; Review the Zephyr GitHub advisory for fixed releases or vendor-specific mitigation guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2020-13600 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H0.46Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7HighVector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.