What is CVE-2018-3658?

CVE-2018-3658 is a medium-severity vulnerability in Intel Active Management Technology Firmware, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2018-09-12.

How severe is CVE-2018-3658?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Intel Active Management Technology Firmware

CVE-2018-3658

Multiple memory leaks in Intel AMT in Intel CSME firmware versions before 12.0.5 may allow an unauthenticated user with Intel AMT provisioned to potentially cause a partial denial of service via network access.

Published 2018-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.033 (88.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

cert-portal.siemens.com/productcert/pdf/ssa-377318.pdf (Patch, Third Party Advisory)
ics-cert.us-cert.gov/advisories/ICSA-19-043-05 (US Government Resource, Third Party Advisory)
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html (Vendor Advisory)
www.securityfocus.com/bid/106996 (VDB Entry, Third Party Advisory, vdb-entry)
support.hpe.com/hpsc/doc/public/display (Third Party Advisory)
security.netapp.com/advisory/ntap-20180924-0003/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-3658?: CVE-2018-3658 is a medium-severity vulnerability in Intel Active Management Technology Firmware, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2018-09-12.
How severe is CVE-2018-3658?: Medium severity. CVSS v3 base score is 5.3 out of 10.