What is the CVSS score of CVE-2017-8461?

CVE-2017-8461 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 8.4%.

Is there a public PoC exploit available for CVE-2017-8461?

Yes, a public proof-of-concept exploit is available for CVE-2017-8461. Prioritise patching immediately. EPSS: 8.4%.

Is there a patch available for CVE-2017-8461?

Yes, a patch is available for CVE-2017-8461. Update the affected software to the latest version immediately.

Windows Xp CVE-2017-8461

HIGH

2017-06-15 secure@microsoft.com

RCE Microsoft Windows Xp Windows Server 2003

7.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 8.42%.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

Act Now Prioritize within 24-48h. Why: Active threat signals + CRITICAL/HIGH severity.

Patch available 8.4% exploitation probability (EPSS)

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AnalysisAI

Windows RPC with Routing and Remote Access enabled in Windows XP and Windows Server 2003 allows an attacker to execute code on a targeted RPC server which has Routing and Remote Access enabled via a. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

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.

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Technical ContextAI · show details

Windows RPC with Routing and Remote Access enabled in Windows XP and Windows Server 2003 allows an attacker to execute code on a targeted RPC server which has Routing and Remote Access enabled via a specially crafted application, aka "Windows RPC Remote Code Execution Vulnerability." Affected products include: Microsoft Windows Server 2003, Microsoft Windows Xp.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH

AV:L/AC:L/PR:L/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

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Windows RPC with Routing and Remote Access enabled in Windows XP and Windows Server 2003 allows an attacker to execute code on a targeted RPC server which has Routing and Remote Access enabled via a specially crafted application, aka "Windows RPC Remote Code Execution Vulnerability."

Threat Intelligence Overview

EPSS Score

8.4%

Top 8% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS POC (1)

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 Yes

EPSS 8.4%

Patch available Yes

Active threat Yes

Deciding rule

Active threat signals + CRITICAL/HIGH 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

Out-of-Cycle

Exploitation· derived

Active

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +8

CVSS: +39

PoC: +20

Weaponized: +15

Threat intel: 0

Gov advisory: 0

Attack Technique

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.

Affected Products (CPE)CVE.org

cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://support.microsoft.com/en-us/help/4024323/security-update-of-windows-xp-and-windows-server-2003 REF http://www.securityfocus.com/bid/99012 REF http://www.securitytracker.com/id/1038701

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