What is the CVSS score of CVE-2022-24287?

CVE-2022-24287 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2022-24287?

Yes, a patch is available for CVE-2022-24287. Update the affected software to the latest version immediately.

Simatic Pcs 7 CVE-2022-24287

HIGH

Initialization of a Resource with an Insecure Default (CWE-1188)

2022-05-20 productcert@siemens.com

Information Disclosure Siemens Simatic Wincc Simatic Pcs 7 Simatic Wincc Runtime Professional

7.8

CVSS 3.1 · Vendor: siemens

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Vulnerability Assessment

Weakness	CWE CWE-1188 ASVS 5.0 V13 - Configuration Secure default settings
Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

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.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-1188. A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC06), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1 UC01), SIMATIC WinCC Runtime Professional V16 and earlier (All versions), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Upd4), SIMATIC WinCC V7.3 (All versions), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 21), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 8). A missing printer configuration on the host could allow an authenticated attacker to escape the WinCC Kiosk Mode. Affected products include: Siemens Simatic Pcs 7, Siemens Simatic Wincc, Siemens Simatic Wincc Runtime Professional.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (siemens) PRIMARY 7.8 HIGH

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

Primary rating from Vendor (siemens) · only source for this CVE.

CVSS VectorVendor: siemens

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC06), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1 UC01), SIMATIC WinCC Runtime Professional V16 and earlier (All versions), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Upd4), SIMATIC WinCC V7.3 (All versions), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 21), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 8). A missing printer configuration on the host could allow an authenticated attacker to escape the WinCC Kiosk Mode.

Threat Intelligence Overview

EPSS Score

0.2%

Top 86% 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 0.2%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +39

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)CVE.org

cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_pcs_7:9.1:*:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:-:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update1:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update2:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update3:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update4:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update5:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update6:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update7:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc_runtime_professional:*:*:*:*:*:*:*:*

cpe:2.3:a:siemens:simatic_wincc_runtime_professional:17:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://cert-portal.siemens.com/productcert/pdf/ssa-363107.pdf

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