What is the CVSS score of CVE-2013-3658?

CVE-2013-3658 has a CVSS 2.0 base score of 9.4 (Critical). CVSS vector: AV:N/AC:L/Au:N/C:N/I:C/A:C. EPSS exploitation probability: 0.6%.

ESXi CVE-2013-3658

CRITICAL

Path Traversal (CWE-22)

2013-09-10 vultures@jpcert.or.jp

Path Traversal VMware ESXi Esx

9.4

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-22 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path canonicalization, traversal prevention MITRE ATT&CK 2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.4 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.58%.
Exploit ScenarioDerived	A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

Directory traversal vulnerability in VMware ESXi 4.0 through 5.0, and ESX 4.0 and 4.1, allows remote attackers to delete arbitrary host OS files via unspecified vectors. Rated critical severity (CVSS 9.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Affects your stack

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

Technical ContextAI · show details

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in VMware ESXi 4.0 through 5.0, and ESX 4.0 and 4.1, allows remote attackers to delete arbitrary host OS files via unspecified vectors. Affected products include: Vmware Esx, Vmware Esxi. Version information: through 5.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.4 CRITICAL

AV:N/AC:L/Au:N/C:N/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

Availability

DescriptionCVE.org

Directory traversal vulnerability in VMware ESXi 4.0 through 5.0, and ESX 4.0 and 4.1, allows remote attackers to delete arbitrary host OS files via unspecified vectors.

Threat Intelligence Overview

EPSS Score

0.6%

Top 31% exploitable

Data Quality

3 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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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: +1

CVSS: +47

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)CVE.org

cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.0:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.0:1:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.0:2:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.0:3:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.0:4:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.1:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.1:1:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:4.1:2:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:5.0:*:*:*:*:*:*:*

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References

Advisories & patches

REF http://jvn.jp/en/jp/JVN72911629/995428/index.html REF http://jvn.jp/en/jp/JVN72911629/index.html REF http://jvndb.jvn.jp/jvndb/JVNDB-2013-000084

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GitHub PoC

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