Security readout for executives and security teams
Plain-English summary
CVE-2018-3659 is an information disclosure issue in Intel Platform Trust Technology within Intel CSME and TXE firmware. The disclosed attack condition requires physical access, which lowers internet-scale risk but matters for laptops, endpoints, and systems where hardware custody is weak.
Executive priority
Prioritize this as a hardware-custody and firmware maintenance issue, not an internet-exposed emergency. Address it in normal vulnerability cycles for managed endpoints, with faster handling for shared, mobile, or physically exposed systems.
Technical view
The CVE describes an unauthenticated, physical-access information disclosure vulnerability in the Intel PTT module. Affected firmware is Intel CSME before 12.0.5 and Intel TXE before 4.0. The source bundle provides no CVSS score, CWE, exploit details, or confirmed public exploitation.
Likely exposure
Exposure is most likely on systems using Intel PTT with Intel CSME firmware before 12.0.5 or Intel TXE firmware before 4.0. Risk depends on hardware inventory, OEM firmware availability, and whether attackers can physically access devices.
Exploitation context
The evidence supports physical-access information disclosure only. The CVE is not listed as CISA KEV in the bundle, and no cited source confirms active exploitation. Treat exploit status as unconfirmed.
Researcher notes
Evidence is limited to the CVE description and vendor references. Do not assume remote exploitability, broad product impact, or key extraction without vendor confirmation. Focus analysis on PTT presence, CSME/TXE firmware lineage, and physical access threat models.
Mitigation direction
- Check Intel advisory INTEL-SA-00142 and OEM firmware guidance.
- Update Intel CSME firmware to 12.0.5 or later where applicable.
- Update Intel TXE firmware to 4.0 or later where applicable.
- Review NetApp advisory if NetApp products are in scope.
- Strengthen physical access controls for affected endpoints and platforms.
Validation and detection
- Inventory systems using Intel Platform Trust Technology.
- Record Intel CSME and TXE firmware versions from trusted asset sources.
- Flag CSME versions before 12.0.5 as potentially affected.
- Flag TXE versions before 4.0 as potentially affected.
- Confirm remediation through OEM or vendor firmware release notes.
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.
CVE-2018-3659 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00142.htmlCVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20180924-0003/CVE reference · x_refsource_CONFIRM
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.