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Opencrx CVE-2023-46502

CRITICAL
Improper Restriction of XML External Entity Reference (CWE-611)
2023-10-30 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

An issue in openCRX v.5.2.2 allows a remote attacker to read internal files and execute server side request forgery attack via insecure DocumentBuilderFactory. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Affected Packages

maven org.opencrx:opencrx-client fix: 5.3.0

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

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. An issue in openCRX v.5.2.2 allows a remote attacker to read internal files and execute server side request forgery attack via insecure DocumentBuilderFactory. Affected products include: Opencrx.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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
High
Integrity
High
Availability
High

DescriptionNVD

An issue in openCRX v.5.2.2 allows a remote attacker to read internal files and execute server side request forgery attack via insecure DocumentBuilderFactory.

Threat Intelligence Overview

EPSS Score
0.7%
Top 50% exploitable
Data Quality
3 sources
Confidence: Low

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
CRITICAL 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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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

Affected Products (CPE)NVD

cpe:2.3:a:opencrx:opencrx:5.2.2:*:*:*:*:*:*:*
CVE-2020-7378 CRITICAL POC
9.1 Nov 24

CRIXP OpenCRX version 4.30 and 5.0-20200717 and prior suffers from an unverified password change vulnerability. Rated cr

CVE-2023-40817 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Product Configuration Name Field. Rated medium severity (C

CVE-2023-40816 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via Activity Milestone Name Field. Rated medium severity (CVSS 6.1

CVE-2023-40815 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Category Creation Name Field. Rated medium severity (CVSS

CVE-2023-40814 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Accounts Name Field. Rated medium severity (CVSS 6.1), thi

CVE-2023-40813 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via Activity Saved Search Creation. Rated medium severity (CVSS 6.

CVE-2023-40812 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Accounts Group Name Field. Rated medium severity (CVSS 6.1

CVE-2023-40810 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via Product Name Field. Rated medium severity (CVSS 6.1), this vul

CVE-2023-40809 MEDIUM POC
6.1 Nov 18

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Activity Search Criteria-Activity Number. Rated medium sev

CVE-2023-27150 MEDIUM POC
5.4 Dec 26

openCRX 5.2.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Name field after creation of

CVE-2022-40084 MEDIUM POC
5.3 Oct 20

OpenCRX before v5.2.2 was discovered to be vulnerable to password enumeration due to the difference in error messages re

CVE-2021-25959 MEDIUM
6.1 Sep 29

In OpenCRX, versions v4.0.0 through v5.1.0 are vulnerable to reflected Cross-site Scripting (XSS), due to unsanitized pa

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