What is CVE-2018-3629?

CVE-2018-3629 is a medium-severity vulnerability in Intel Active Management Technology Firmware, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-07-10.

How severe is CVE-2018-3629?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Intel Active Management Technology Firmware

CVE-2018-3629

Buffer overflow in event handler in Intel Active Management Technology in Intel Converged Security Manageability Engine Firmware 3.x, 4.x, 5.x, 6.x, 7.x, 8.x, 9.x, 10.x, and 11.x may allow an attacker to cause a denial of service via the same subnet.

Vulnerability class: Buffer Overflow

Published 2018-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Intel Active Management Technology Firmware
Intel Core 2 Duo — versions e4300, e4400, e4500
Intel Core 2 Extreme — versions qx6700, qx6800, qx6850
Intel Core 2 Quad — versions q6600, q6700, q8200
Intel Core 2 Solo — versions su3500, u2100, u2200
Intel Core Duo — versions l2300, l2400, l2500
Intel Core I3 — versions 4000m, 4005u, 4010u
Intel Core I5 — versions 4200h, 4200m, 4200u
Intel Core I7 — versions 4500u, 4510u, 4550u
Intel Core I9 — versions 8950hk

Weakness classification (CWE)

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

References

www.securitytracker.com/id/1041362 (VDB Entry, Third Party Advisory, vdb-entry)
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00112.html (Vendor Advisory)
support.hpe.com/hpsc/doc/public/display (Third Party Advisory)
security.netapp.com/advisory/ntap-20190327-0001/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-3629?: CVE-2018-3629 is a medium-severity vulnerability in Intel Active Management Technology Firmware, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-07-10.
How severe is CVE-2018-3629?: Medium severity. CVSS v3 base score is 6.5 out of 10.