What is the CVSS score of CVE-2022-1018?

CVE-2022-1018 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 2.1%.

Is there a patch available for CVE-2022-1018?

Yes, a patch is available for CVE-2022-1018. Update the affected software to the latest version immediately.

Connected Components Workbench CVE-2022-1018

MEDIUM

Improper Restriction of XML External Entity Reference (CWE-611)

2022-04-01 ics-cert@hq.dhs.gov

XXE Connected Components Workbench Isagraf Safety Instrumented Systems Workstation Rockwellautomation

5.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-611 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. Sign in to read
Impact	CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived	A local attacker with access to the system could read arbitrary files or perform SSRF through XML processing. No authentication is required to exploit this vulnerability.

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

Patch available 2.1% exploitation probability (EPSS)

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AnalysisAI

When opening a malicious solution file provided by an attacker, the application suffers from an XML external entity vulnerability due to an unsafe call within a dynamic link library file. Rated medium severity (CVSS 5.5), this vulnerability is 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.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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. When opening a malicious solution file provided by an attacker, the application suffers from an XML external entity vulnerability due to an unsafe call within a dynamic link library file. An attacker could exploit this to pass data from local files to a remote web server, leading to a loss of confidentiality. Affected products include: Rockwellautomation Connected Components Workbench, Rockwellautomation Isagraf, Rockwellautomation Safety Instrumented Systems Workstation.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

When opening a malicious solution file provided by an attacker, the application suffers from an XML external entity vulnerability due to an unsafe call within a dynamic link library file. An attacker could exploit this to pass data from local files to a remote web server, leading to a loss of confidentiality.

Threat Intelligence Overview

EPSS Score

2.1%

Top 21% exploitable

Data Quality

2 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 2.1%

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.