Improper access control in the Intel(R) CSME software installer before version 2239.3.7.0 may allow an authenticated user to potentially ena
Improper access control in the Intel(R) CSME software installer before version 2239.3.7.0 may allow an authenticated user to potentially enable escalation of privilege via local access.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Aug 10, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 4th percentile
- CWE
- CWE-284
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.8
- CNA · intel
- 6.7
- 1.1 point gap
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| intel | converged security management engine firmware | cpe:2.3:a:intel:converged_security_management_engine_firmware |
| intel | c232 | cpe:2.3:h:intel:c232 |
| intel | c236 | cpe:2.3:h:intel:c236 |
| intel | c420 | cpe:2.3:h:intel:c420 |
| intel | c422 | cpe:2.3:h:intel:c422 |
| intel | cm236 | cpe:2.3:h:intel:cm236 |
| intel | cm238 | cpe:2.3:h:intel:cm238 |
| intel | x299 | cpe:2.3:h:intel:x299 |
| intel | b150 | cpe:2.3:h:intel:b150 |
| intel | b250 | cpe:2.3:h:intel:b250 |
| intel | core i3-8100 | cpe:2.3:h:intel:core_i3-8100 |
| intel | core i3-8100b | cpe:2.3:h:intel:core_i3-8100b |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- intel converged security management engine firmwarebefore 11.12.94
- intel converged security management engine firmwarebefore 11.8.94
- intel converged security management engine firmwarebefore 12.0.93
- intel converged security management engine firmwarebefore 14.1.70
- intel converged security management engine firmware14.5.0 and later · before 14.5.50
- intel converged security management engine firmwarebefore 15.0.45
- intel converged security management engine firmwarebefore 16.1.27
- intel converged security management engine firmwarebefore 13.50.25
- intel converged security management engine firmwarebefore 13.30.35
- intel converged security management engine firmwarebefore 13.0.65
- intel converged security management engine firmwarebefore 11.22.94
- intel converged security management engine firmwarebefore 4.0.48
- intel converged security management engine firmwarebefore 3.1.94
Versions reported by the vendor
Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.
n/a Intel(R) CSME software installer
- before version 2239.3.7.0affected
Same product
intel: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-0153Buffer overflow in subsystem in Intel(R) CSME 12.0.0 through 12.0.34 may allow an unauthenticated user to potentially enable escalation of p40Plan
- CVE-2019-0169Heap overflow in subsystem in Intel(R) CSME before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45; Intel(R) TXE before versions 3.1.70 and 4.35Monitor
- CVE-2018-3643A vulnerability in Power Management Controller firmware in systems using specific Intel(R) Converged Security and Management Engine (CSME) b32Monitor
- CVE-2018-3627Logic bug in Intel Converged Security Management Engine 11.x may allow an attacker to execute arbitrary code via local privileged access.32Monitor
- CVE-2020-0542Improper buffer restrictions in subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may allow an authenticated31Monitor
- CVE-2020-0536Improper input validation in the DAL subsystem for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32,14.0.33 and I31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-284 · Improper Access ControlCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Embedding Scripts within ScriptsCAPEC-19likelihood: High · High
- Malicious Logic InsertionCAPEC-441likelihood: Medium · High
- Modification of Windows Service ConfigurationCAPEC-478likelihood: Low · High
- Malicious Root CertificateCAPEC-479likelihood: Low · Low
- Intent SpoofCAPEC-502
- WebView ExposureCAPEC-503
- Data Injected During ConfigurationCAPEC-536likelihood: Low · High
- Incomplete Data Deletion in a Multi-Tenant EnvironmentCAPEC-546likelihood: Low · Medium
ATT&CK techniques
- RootkitT1014
- Obfuscated Files or Information: Embedded PayloadsT1027.009
- Boot or Logon Initialization ScriptsT1037
- Taint shared contentT1080
- Server Software Component: Terminal Services DLLT1505.005
- Pre-OS Boot:BootkitT1542.003
- Create or Modify System ProcessT1543
- Create or Modify System Process: Launch AgentT1543.001
- Create or Modify System Process:Windows ServiceT1543.003
- Create or Modify System Process: Launch DaemonT1543.004
- Event Triggered Execution:Change Default File AssociationT1546.001
- Event Triggered Execution:.bash_profile and .bashrcT1546.004
- Event Triggered Execution: Accessibility FeaturesT1546.008
- Event Triggered Execution: Installer PackagesT1546.016
- Boot or Logon Autostart ExecutionT1547
- Boot or Logon Autostart Execution:Kernel Modules and ExtensionsT1547.006
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00783.html
- security.netapp.com/advisory/ntap-20230824-0002/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.