What is the CVSS score of CVE-2023-29154?

CVE-2023-29154 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 44.0%.

Conprosys Hmi System CVE-2023-29154

HIGH

SQL Injection (CWE-89)

2023-06-01 vultures@jpcert.or.jp

SQLi Conprosys Hmi System Contec

7.2

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-89 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Parameterized queries, prepared statements MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Persistence 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 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could execute arbitrary SQL commands against the database by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity + EPSS > 10%.

No patch listed yet 44.0% exploitation probability (EPSS)

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AnalysisAI

SQL injection vulnerability exists in the CONPROSYS HMI System (CHS) versions prior to 3.5.3. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.

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 SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. SQL injection vulnerability exists in the CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user who can access the affected product with an administrative privilege may execute an arbitrary SQL command via specially crafted input to the query setting page. Affected products include: Contec Conprosys Hmi System. Version information: prior to 3.5.3..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH

AV:N/AC:L/PR:H/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

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

SQL injection vulnerability exists in the CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user who can access the affected product with an administrative privilege may execute an arbitrary SQL command via specially crafted input to the query setting page.

Threat Intelligence Overview

EPSS Score

44.0%

Top 1% 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 HIGH

CISA KEV No

Public POC No

EPSS 44.0%

Patch available No

Active threat No

Deciding rule

HIGH severity + EPSS > 10%

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: +44

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

SQL Injection HIGH

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

Affected Products (CPE)NVD

cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_en.pdf ADVISORY https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_jp.pdf REF https://jvn.jp/en/vu/JVNVU93372935/

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