Siemens OpenPCS RPC null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Siemens OpenPCS, SIMATIC BATCH, SIMATIC PCS, SIMATIC Route Control, SIMATIC WinCC Runtime Professional and SIMATIC WinCC. Affected by this issue is some unknown functionality of the component RPC. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2023-48363. The attack can only be initiated within the local network. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens OpenPCS, SIMATIC BATCH, SIMATIC PCS, SIMATIC Route Control, SIMATIC WinCC Runtime Professional and SIMATIC WinCC (SCADA Software) and classified as critical. Affected by this issue is an unknown functionality of the component RPC. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

A vulnerability has been identified in OpenPCS 7 V9.1 (All versions), SIMATIC BATCH V9.1 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC Route Control V9.1 (All versions), SIMATIC WinCC Runtime Professional V18 (All versions), SIMATIC WinCC Runtime Professional V19 (All versions), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 SP4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain unorganized RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.

The weakness was disclosed 02/13/2024 as ssa-753746. The advisory is available at cert-portal.siemens.com. This vulnerability is handled as CVE-2023-48363 since 11/15/2023. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Siemens AG): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/15/2023 🔍
02/13/2024 +90 days 🔍
02/13/2024 +0 days 🔍
10/18/2024 +248 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-753746
Status: Confirmed

CVE: CVE-2023-48363 (🔍)
GCVE (CVE): GCVE-0-2023-48363
GCVE (VulDB): GCVE-100-253562

Entryinfo

Created: 02/13/2024 15:15
Updated: 10/18/2024 20:18
Changes: 02/13/2024 15:15 (51), 06/11/2024 15:53 (15), 10/18/2024 20:18 (23)
Complete: 🔍
Cache ID: 216::103

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