What is the CVSS score of CVE-2020-13956?

CVE-2020-13956 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 8.7%.

Is there a patch available for CVE-2020-13956?

Yes, a patch is available for CVE-2020-13956. Update the affected software to the latest version immediately.

Httpclient CVE-2020-13956

MEDIUM

Improper Input Validation (CWE-20)

2020-12-02 security@apache.org

Apache Information Disclosure Oracle Active Iq Unified Manager Jd Edwards Enterpriseone Tools Peoplesoft Enterprise Peopletools Quarkus Weblogic Server Jd Edwards Enterpriseone Orchestrator Snapcenter Httpclient Retail Customer Management And Segmentation Foundation Communications Cloud Native Core Service Communication Proxy Nosql Database Commerce Guided Search Primavera Unifier Data Integrator Peoplesoft Enterprise Pt Peopletools Spatial Studio Sql Developer Netapp

5.3

CVSS 3.1 · 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 5.3 (MEDIUM). 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 medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 8.7% exploitation probability (EPSS)

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AnalysisAI

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host. Rated medium severity (CVSS 5.3), 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.

Affected Packages

maven org.apache.httpcomponents:httpclient fix: 4.5.13, 5.0.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

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

Technical ContextAI · show details

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution. Affected products include: Apache Httpclient, Quarkus, Oracle Data Integrator, Oracle Jd Edwards Enterpriseone Orchestrator, Oracle Jd Edwards Enterpriseone Tools. Version information: version 4.5.13.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

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

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

Low

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

8.7%

Top 6% exploitable

Data Quality

3 sources

Confidence: Low

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 8.7%

Patch available Yes

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +9

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:apache:httpclient:*:*:*:*:*:*:*:*

cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:data_integrator:12.2.1.3.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:data_integrator:12.2.1.4.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:jd_edwards_enterpriseone_orchestrator:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:nosql_database:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*

cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*

cpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:8.57:*:*:*:*:*:*:*

cpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:8.58:*:*:*:*:*:*:*

cpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:8.59:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:16.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:16.2:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:*

cpe:2.3:a:oracle:primavera_unifier:20.12:*:*:*:*:*:*:*

cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:*:*:*:*:*:*:*:*

+ 11 more

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References

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