What is the CVSS score of CVE-2018-1000538?

CVE-2018-1000538 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a patch available for CVE-2018-1000538?

Yes, a patch is available for CVE-2018-1000538. Update the affected software to the latest version immediately.

Minio CVE-2018-1000538

HIGH

Allocation of File Descriptors or Handles Without Limits or Throttling (CWE-774)

2018-06-26 cve@mitre.org

Denial Of Service Minio

7.5

CVSS 3.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-774
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low 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 high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 1.5% exploitation probability (EPSS)

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AnalysisAI

Minio Inc. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

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

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Technical ContextAI · show details

This vulnerability is classified under CWE-774. Minio Inc. Minio S3 server version prior to RELEASE.2018-05-16T23-35-33Z contains a Allocation of Memory Without Limits or Throttling (similar to CWE-774) vulnerability in write-to-RAM that can result in Denial of Service. This attack appear to be exploitable via Sending V4-(pre)signed requests with large bodies . This vulnerability appears to have been fixed in after commit 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7. Affected products include: Minio.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

Minio Inc. Minio S3 server version prior to RELEASE.2018-05-16T23-35-33Z contains a Allocation of Memory Without Limits or Throttling (similar to CWE-774) vulnerability in write-to-RAM that can result in Denial of Service. This attack appear to be exploitable via Sending V4-(pre)signed requests with large bodies . This vulnerability appears to have been fixed in after commit 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7.

Threat Intelligence Overview

EPSS Score

1.5%

Top 29% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 HIGH

CISA KEV No

Public POC No

EPSS 1.5%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://github.com/minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220 REF https://github.com/minio/minio/pull/5957

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