Home/CVE/Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 1
CVE

CVE-2020-8703

Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 1

Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.

MEDIUM · CVSS 6.7 EPSS 0.00259
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

22
intel converged security and manageability engine< 12.0.81
intel converged security and manageability engine< 13.0.47
intel converged security and manageability engine< 13.30.17
intel converged security and manageability engine< 14.1.53
intel converged security and manageability engine< 14.5.32
intel converged security and manageability engine< 11.8.86
intel converged security and manageability engine< 11.12.86
intel converged security and manageability engine< 11.22.86
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jun 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
siemens-csafSSA-309571
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-222-05
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfThird Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.htmlVendor Advisory
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