Security readout for executives and security teams
Plain-English summary
This flaw affects Weston Embedded uC-TCP-IP v3.06.01, a TCP/IP stack used in embedded systems. Unauthenticated network packets can corrupt memory and may allow code execution. The practical risk depends on whether your products or devices include this exact stack version and whether attackers can reach its network interface.
Executive priority
Treat this as a high-priority embedded exposure question, not a generic workstation patching issue. The urgent task is confirming whether critical products contain the affected stack and reducing network reachability while vendor guidance is obtained.
Technical view
CVE-2023-38562 is a CWE-415 double-free in IP header loopback parsing in Weston Embedded uC-TCP-IP v3.06.01. A specially crafted unauthenticated packet sequence can trigger memory corruption, with potential integrity and availability impact and possible code execution. CVSS 3.1 is 8.7 with network attack vector and high attack complexity.
Likely exposure
Exposure is most likely in embedded, IoT, OT, or appliance firmware that incorporates Weston Embedded uC-TCP-IP v3.06.01. The source bundle lists no CPEs or downstream products, so inventory and vendor confirmation are required.
Exploitation context
The provided sources describe remote unauthenticated packet-triggered exploitation conditions, but also high attack complexity. The CVE is not listed as KEV in the bundle, and no cited source states active exploitation.
Researcher notes
The public bundle identifies the vulnerable component and trigger class but does not provide downstream product mapping, CPEs, patch status, or active exploitation evidence. Avoid assuming all uC-TCP-IP versions are affected; the listed affected version is v3.06.01.
Mitigation direction
- Identify products or firmware using Weston Embedded uC-TCP-IP v3.06.01.
- Ask vendors for affected-version confirmation and available update guidance.
- Reduce direct network reachability to affected embedded interfaces.
- Segment exposed embedded systems from business-critical networks.
- Monitor vendor and Talos guidance for confirmed fixes or mitigations.
Validation and detection
- Review SBOMs, firmware manifests, and vendor attestations for uC-TCP-IP v3.06.01.
- Map reachable network paths to devices using the affected stack.
- Check whether affected interfaces accept unauthenticated network traffic.
- Verify segmentation or access controls limit attacker reachability.
- Track remediation evidence from device vendors or firmware suppliers.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-415: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-38562 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/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:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H2.25.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.7HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Source materials
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.
Double Free
Double Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.