What is the CVSS score of CVE-2018-3616?

CVE-2018-3616 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 2.4%.

Is there a patch available for CVE-2018-3616?

Yes, a patch is available for CVE-2018-3616. Update the affected software to the latest version immediately.

Simatic Itp1000 Firmware CVE-2018-3616

MEDIUM

2018-09-12 secure@intel.com

Information Disclosure Siemens Intel Simatic Itp1000 Firmware Simatic Ipc847D Firmware Simatic Ipc827D Firmware Simatic Ipc677D Firmware Simatic Ipc647D Firmware Simatic Ipc627D Firmware Simatic Ipc547E Firmware Simatic Ipc477E Firmware Simatic Field Pg M5 Firmware Simatic Ipc427E Firmware Active Management Technology Firmware Manageability Engine Firmware Converged Security Management Engine Firmware Simatic Pc547G Firmware

5.9

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 2.4% exploitation probability (EPSS)

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AnalysisAI

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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. Affected products include: Intel Converged Security Management Engine Firmware, Intel Active Management Technology Firmware, Intel Manageability Engine Firmware, Siemens Simatic Field Pg M5 Firmware, Siemens Simatic Ipc427E Firmware. Version information: before 12.0.5.

Severity by source

NVD PRIMARY 5.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

2.4%

Top 18% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 2.4%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +30

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:intel:manageability_engine_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc547e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_pc547g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc627d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc647d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc677d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc827d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc847d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://cert-portal.siemens.com/productcert/pdf/ssa-377318.pdf ADVISORY https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html REF http://www.securityfocus.com/bid/106996 REF https://ics-cert.us-cert.gov/advisories/ICSA-19-043-05 REF https://security.netapp.com/advisory/ntap-20180924-0003/ REF https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03876en_us

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