What is the CVSS score of CVE-2018-13787?

CVE-2018-13787 has a CVSS 3.0 base score of 6.7 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

X11Sae Firmware CVE-2018-13787

MEDIUM

2018-07-09 cve@mitre.org

Information Disclosure X11Sae Firmware X11Sae M Firmware X11Sat Firmware X11Sba Firmware X11Sra Firmware X11Srm Firmware X11Ssn Firmware X11Ssq Firmware X11Ssql Firmware X11Ssz Firmware X11Ssv Firmware X10Srw Firmware X10Srm Firmware X10Srl Firmware X10Sri Firmware X10Srh Firmware X10Srg Firmware X10Srd Firmware X10Sra Firmware X10Sdvt Firmware X10Sdvf Firmware X10Sde Firmware X10Sddf Firmware X10Sba Firmware X10Qrh Firmware X10Dsn Firmware X10Dscp Firmware X10Dsc Firmware X10Drx Firmware X10Drwn Firmware X10Drw Firmware X10Drux Firmware X10Drul Firmware X10Dru Firmware X10Drts Firmware X10Drtps Firmware X10Drtl Firmware X10Drth Firmware X10Drtb Firmware X10Drt Firmware X10Drs Firmware X10Drln Firmware X10Drlc Firmware X10Drl Firmware X10Dri1 Firmware X10Drh4 Firmware X10Drh Firmware X10Drgo Firmware X10Drgh Firmware X10Drg Firmware X10Drfr Firmware X10Drfg Firmware X10Drff Firmware X10Drdl Firmware X10Drd Firmware X10Drc Firmware X10Dgo Firmware X10Ddwn Firmware X10Ddwi Firmware X10Ddw4 Firmware X10Ddw3 Firmware X10Dax Firmware X10Dali Firmware X10Dal Firmware X10Dai Firmware B10Drt Firmware B10Dri Firmware B10Drg Firmware X9Sae Firmware X9Drth Firmware X9Drgqf Firmware X9Drffp Firmware X9Drf Firmware X9Dbl Firmware X8Siu Firmware X8Sit Firmware X8Sil Firmware X8Sie Firmware X8Sia Firmware K1Spi Firmware K1Spes Firmware C9X299 Firmware C7Z97Oc Firmware C7Z97Mf Firmware C7Z87Oc Firmware C7Z370L Firmware C7Z370I Firmware C7Z270P Firmware C7Z270M Firmware C7Z270L Firmware C7Z270Cg Firmware C7Z270C Firmware C7Z170Oce Firmware C7Z170O Firmware C7Z170 Firmware C7X99Oc Firmware C7Q270 Firmware C7H270 Firmware C7B250 Firmware B1Sd2Tf Firmware B1Sa4 Firmware B1Dri Firmware A2Sav Firmware A2Sap Firmware A2San Firmware A1Srm Firmware A1Sam Firmware A1Sai1 Firmware A1Sai Firmware A1Sa Firmware Supermicro

6.7

CVSS 3.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

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

No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Certain Supermicro X11S, X10, X9, X8SI, K1SP, C9X299, C7, B1, A2, and A1 products have a misconfigured Descriptor Region, allowing OS programs to modify firmware. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. 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

Certain Supermicro X11S, X10, X9, X8SI, K1SP, C9X299, C7, B1, A2, and A1 products have a misconfigured Descriptor Region, allowing OS programs to modify firmware. Affected products include: Supermicro X11Ssz Firmware, Supermicro X11Ssv Firmware, Supermicro X11Ssql Firmware, Supermicro X11Ssq Firmware, Supermicro X11Ssn Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

Certain Supermicro X11S, X10, X9, X8SI, K1SP, C9X299, C7, B1, A2, and A1 products have a misconfigured Descriptor Region, allowing OS programs to modify firmware.

Threat Intelligence Overview

EPSS Score

0.4%

Top 66% 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 0.4%

Patch available No

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +34

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.