Siemens SINEC INS up to 1.0 SP2 Update 1 UMC Server certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SINEC INS up to 1.0 SP2 Update 1. It has been classified as critical. The affected element is an unknown function of the component UMC Server Handler. Performing a manipulation results in certificate validation. This vulnerability is cataloged as CVE-2023-48427. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Siemens SINEC INS up to 1.0 SP2 Update 1. This affects an unknown code block of the component UMC Server Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected products do not properly validate the certificate of the configured UMC server. This could allow an attacker to intercept credentials that are sent to the UMC server as well as to manipulate responses, potentially allowing an attacker to escalate privileges.

The weakness was shared 12/12/2023 as ssa-077170. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2023-48427 since 11/16/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Applying the patch 1.0 SP2 Update 2 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 1.0 SP2 Update 2

Timelineinfo

11/16/2023 🔍
12/12/2023 +26 days 🔍
12/12/2023 +0 days 🔍
01/02/2024 +21 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-077170
Status: Confirmed

CVE: CVE-2023-48427 (🔍)
GCVE (CVE): GCVE-0-2023-48427
GCVE (VulDB): GCVE-100-247539

Entryinfo

Created: 12/12/2023 13:26
Updated: 01/02/2024 11:42
Changes: 12/12/2023 13:26 (51), 01/02/2024 11:42 (11)
Complete: 🔍
Cache ID: 216::103

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