How severe is CVE-2018-3616?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2018-3616 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Intel Active Management Technology Firmware

CVE-2018-3616

Bleichenbacher-style side channel vulnerability in TLS implementation in Intel Active Management Technology before 12.0.5 may allow an unauthenticated user to potentially obtain the TLS session key via the network.

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

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.024 (84.0th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Public proof-of-concept exploits

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-2018-3616?: CVE-2018-3616 is a medium-severity vulnerability in Intel Active Management Technology Firmware. CVSS score: 5.9/10. Published 2018-09-12.
How severe is CVE-2018-3616?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2018-3616 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.