Siemens COMOS prior 10.4.4 Cache cleartext transmission

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 (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Siemens COMOS. This issue affects some unknown processing of the component Cache Handler. Performing a manipulation results in cleartext transmission. This vulnerability is cataloged as CVE-2023-43503. The attack must originate from the local network. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens COMOS. It has been classified as problematic. This affects some unknown processing of the component Cache Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. CWE is classifying the issue as CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability has been identified in COMOS (All versions < V10.4.4). Caching system in the affected application leaks sensitive information such as user and project information in cleartext via UDP.

The weakness was shared 11/14/2023 as ssa-137900. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2023-43503 since 09/19/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 10.4.4 eliminates this vulnerability.

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

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.5
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: Cleartext transmission
CWE: CWE-319 / CWE-310
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: COMOS 10.4.4

Timelineinfo

09/19/2023 🔍
11/14/2023 +56 days 🔍
11/14/2023 +0 days 🔍
12/08/2023 +24 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-137900
Status: Confirmed

CVE: CVE-2023-43503 (🔍)
GCVE (CVE): GCVE-0-2023-43503
GCVE (VulDB): GCVE-100-245139

Entryinfo

Created: 11/14/2023 12:40
Updated: 12/08/2023 09:38
Changes: 11/14/2023 12:40 (50), 12/08/2023 09:38 (11)
Complete: 🔍
Cache ID: 216::103

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

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