What is the CVSS score of CVE-2013-1659?

CVE-2013-1659 has a CVSS 2.0 base score of 7.6 (High). CVSS vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 0.9%.

Vcenter Server CVE-2013-1659

HIGH

2013-02-22 cve@mitre.org

RCE Buffer Overflow Denial Of Service VMware ESXi Vcenter Server Appliance Vcenter Server

7.6

CVSS 2.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 7.6 (HIGH). Attack characteristics: network attack vector, high complexity. EPSS exploitation probability: 0.88%.
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).

No patch listed yet 0.9% exploitation probability (EPSS)

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AnalysisAI

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

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Technical ContextAI · show details

VMware vCenter Server 4.0 before Update 4b, 5.0 before Update 2, and 5.1 before 5.1.0b; VMware ESXi 3.5 through 5.1; and VMware ESX 3.5 through 4.1 do not properly implement the Network File Copy (NFC) protocol, which allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption) by modifying the client-server data stream. Affected products include: Vmware Vcenter Server, Vmware Vcenter Server Appliance, Vmware Esxi. Version information: before 5.1.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.6 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Confidentiality

Integrity

Availability

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.9%

Top 25% 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 HIGH

CISA KEV No

Public POC No

EPSS 0.9%

Patch available No

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Denial of Service MEDIUM

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

Affected Products (CPE)CVE.org

cpe:2.3:a:vmware:vcenter_server:4.0:*:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:4.0:update_1:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:4.0:update_2:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:4.0:update_3:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:4.0:update_4:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:4.0:update_4a:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server_appliance:5.1:*:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server_appliance:5.1.0a:*:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:5.0:*:*:*:*:*:*:*

cpe:2.3:a:vmware:vcenter_server:5.0:update_1:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:3.5:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esxi:3.5:1:*:*:*:*:*:*

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:*:*:*:*:*:*

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References

Advisories & patches

REF http://www.vmware.com/security/advisories/VMSA-2013-0003.html

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