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CVE-2018-3657

23
FAUCET Score

CVE-2018-3657 describes multiple buffer overflows in Intel AMT, affecting Intel CSME firmware versions prior to 12.0.5, and also impacting Siemens products. This vulnerability allows a privileged local user to potentially execute arbitrary code with Intel AMT execution privileges. Rated 6.7 MEDIUM, it requires local access and high privileges, but if exploited, could lead to high confidentiality, integrity, and availability impacts. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.01.06CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*
< 21.01.09CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*
< 21.01.09CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*
< r1.30.0CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_ipc547e_firmware:*:*:*:*:*:*:*:*
< r1.23.0CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_pc547g_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 93rd percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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