What is the CVSS score of CVE-2014-0317?

CVE-2014-0317 has a CVSS 2.0 base score of 5.4 (Medium). CVSS vector: AV:N/AC:H/Au:N/C:N/I:C/A:N. EPSS exploitation probability: 12.5%.

Windows Xp CVE-2014-0317

MEDIUM

Improper Input Validation (CWE-20)

2014-03-12 secure@microsoft.com

Authentication Bypass Microsoft Windows Server 2008 Windows Server 2012 Windows Xp Windows Server 2003 Windows Vista

5.4

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, high complexity. EPSS exploitation probability: 12.47%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. 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 12.5% exploitation probability (EPSS)

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AnalysisAI

The Security Account Manager Remote (SAMR) protocol implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable. Epss exploitation probability 12.5% and 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

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. The Security Account Manager Remote (SAMR) protocol implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows Server 2012 Gold and R2 does not properly determine the user-lockout state, which makes it easier for remote attackers to bypass the account lockout policy and obtain access via a brute-force attack, aka "SAMR Security Feature Bypass Vulnerability." Affected products include: Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Vista, 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 5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Confidentiality

None

Integrity

Availability

None

DescriptionCVE.org

The Security Account Manager Remote (SAMR) protocol implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows Server 2012 Gold and R2 does not properly determine the user-lockout state, which makes it easier for remote attackers to bypass the account lockout policy and obtain access via a brute-force attack, aka "SAMR Security Feature Bypass Vulnerability."

Threat Intelligence Overview

EPSS Score

12.5%

Top 6% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

VulDB

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 12.5%

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

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +12

CVSS: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:datacenter:*:*:*

cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:essentials:*:*:*

cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:standard:*:*:*

cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://vuldb.com/vuln/12530 REF https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-016

Search Externally

GitHub PoC

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