Dalmann OCPP.Core up to 1.2.0 StartTransaction Message access control

HistoryDiffrelatejsonxmlCTI

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Dalmann OCPP.Core up to 1.2.0. The affected element is an unknown function of the component StartTransaction Message Handler. This manipulation causes access control. This vulnerability is registered as CVE-2023-49958. No exploit is available.

Detailsinfo

A vulnerability was found in Dalmann OCPP.Core up to 1.2.0. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component StartTransaction Message Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. The server processes mishandle StartTransaction messages containing additional, arbitrary properties, or duplicate properties. The last occurrence of a duplicate property is accepted. This could be exploited to alter transaction records or impact system integrity.

The weakness was published 12/07/2023 as 36. The advisory is shared at github.com. This vulnerability is known as CVE-2023-49958 since 12/03/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Dalmann

Name

OCPP.Core

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.6
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/03/2023 🔍
12/07/2023 +4 days 🔍
12/07/2023 +0 days 🔍
10/09/2024 +307 days 🔍

Sourcesinfo

Advisory: 36
Status: Not defined

CVE: CVE-2023-49958 (🔍)
GCVE (CVE): GCVE-0-2023-49958
GCVE (VulDB): GCVE-100-247165

Entryinfo

Created: 12/07/2023 17:18
Updated: 10/09/2024 20:48
Changes: 12/07/2023 17:18 (39), 12/30/2023 17:31 (11), 10/09/2024 20:48 (27)
Complete: 🔍
Cache ID: 216::103