What is the CVSS score of CVE-2013-6407?

CVE-2013-6407 has a CVSS 2.0 base score of 6.4 (Medium). CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:P. EPSS exploitation probability: 11.4%.

Is there a patch available for CVE-2013-6407?

Yes, a patch is available for CVE-2013-6407. Update the affected software to the latest version immediately.

Solr CVE-2013-6407

MEDIUM

2013-12-07 secalert@redhat.com

Apache XXE Solr

6.4

CVSS 2.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 6.4 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 11.39%.
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 11.4% exploitation probability (EPSS)

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AnalysisAI

The UpdateRequestHandler for XML in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 11.4%.

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.solr:solr-core fix: 4.1.0

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

The UpdateRequestHandler for XML in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue. Affected products include: Apache Solr. Version information: before 4.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

DescriptionCVE.org

The UpdateRequestHandler for XML in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

14 maven packages depend on org.apache.solr:solr-core (14 direct, 0 indirect)

Ecosystem-wide dependent count for version 4.1.0.

Threat Intelligence Overview

EPSS Score

11.4%

Top 6% 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 MEDIUM

CISA KEV No

Public POC No

EPSS 11.4%

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +11

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

XML External Entity Injection HIGH

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Affected Products (CPE)CVE.org

cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*

cpe:2.3:a:apache:solr:3.6.0:*:*:*:*:*:*:*

cpe:2.3:a:apache:solr:3.6.1:*:*:*:*:*:*:*

cpe:2.3:a:apache:solr:3.6.2:*:*:*:*:*:*:*

cpe:2.3:a:apache:solr:4.0.0:alpha:*:*:*:*:*:*

cpe:2.3:a:apache:solr:4.0.0:beta:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://issues.apache.org/jira/browse/SOLR-3895 ADVISORY http://secunia.com/advisories/55542 REF http://rhn.redhat.com/errata/RHSA-2013-1844.html REF http://rhn.redhat.com/errata/RHSA-2014-0029.html REF http://secunia.com/advisories/59372 REF http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/CHANGES.txt?view=markup REF http://www.openwall.com/lists/oss-security/2013/11/29/2

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