VDB-245151 · CVE-2023-46096 · ssa-456933

Siemens SIMATIC PCS neo up to 4.0 PUD Manager missing authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Siemens SIMATIC PCS neo up to 4.0. Impacted is an unknown function of the component PUD Manager. Performing a manipulation results in missing authentication. This vulnerability is identified as CVE-2023-46096. The attack can only be performed from the local network. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Siemens SIMATIC PCS neo up to 4.0 (SCADA Software). This affects an unknown code of the component PUD Manager. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SIMATIC PCS neo (All versions < V4.1). The PUD Manager of affected products does not properly authenticate users in the PUD Manager web service. This could allow an unauthenticated adjacent attacker to generate a privileged token and upload additional documents.

The weakness was released 11/14/2023 as ssa-456933. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2023-46096 since 10/16/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Siemens

Name

SIMATIC PCS neo

Version

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SIMATIC PCS neo 4.1

Timelineinfo

10/16/2023 🔍
11/14/2023 +29 days 🔍
11/14/2023 +0 days 🔍
11/14/2023 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-456933
Status: Confirmed

CVE: CVE-2023-46096 (🔍)
GCVE (CVE): GCVE-0-2023-46096
GCVE (VulDB): GCVE-100-245151

Entryinfo

Created: 11/14/2023 13:20
Changes: 11/14/2023 13:20 (52)
Complete: 🔍
Cache ID: 216::103