CVE-2018-3657

Name: CVE-2018-3657
Creator: NVD / NIST
Published: 2018-09-12T19:29:02.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2018-3657 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Multiple buffer overflows in Intel AMT in Intel CSME firmware versions before version 12.0.5 may allow a privileged user to potentially execute arbitrary code with Intel AMT execution privilege via local access.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

Multiple buffer overflows in Intel AMT in Intel CSME firmware versions before version 12.0.5 may allow a privileged user to potentially execute arbitrary code with Intel AMT execution privilege via local access.

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.58%

43.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Siemens	Simatic Field Pg M5 Firmware	< 22.01.06
Siemens	Simatic Ipc427e Firmware	< 21.01.09
Siemens	Simatic Ipc477e Firmware	< 21.01.09
Siemens	Simatic Ipc547e Firmware	< r1.30.0
Siemens	Simatic Pc547g Firmware	< r1.23.0
Siemens	Simatic Ipc627d Firmware	< 19.02.11
Siemens	Simatic Ipc647d Firmware	< 19.01.14
Siemens	Simatic Ipc677d Firmware	< 19.02.11
Siemens	Simatic Ipc827d Firmware	< 19.02.11
Siemens	Simatic Ipc847d Firmware	< 19.01.14
Siemens	Simatic Itp1000 Firmware	< 23.01.04
Intel	Converged Security Management Engine Firmware	>= 11.0.0, < 12.0.5
Intel	Active Management Technology Firmware	< 12.0.5
Intel	Manageability Engine Firmware	>= 9.0.0.0, < 11.0

References

http://www.securityfocus.com/bid/106996Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-377318.pdfPatch, Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-043-05Third Party Advisory, US Government Resource
https://security.netapp.com/advisory/ntap-20180924-0003/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03876en_usThird Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.htmlVendor Advisory
http://www.securityfocus.com/bid/106996Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-377318.pdfPatch, Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-043-05Third Party Advisory, US Government Resource
https://security.netapp.com/advisory/ntap-20180924-0003/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03876en_usThird Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.htmlVendor Advisory

Timeline

Published: Sep 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3657?

How severe is CVE-2018-3657?

CVE-2018-3657 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3657?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3657?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST