Nucleus NET V2017.02.2 DHCP Packet logic error

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Nucleus NET, RTOS, ReadyStart for ARM, ReadyStart for MIPS, ReadyStart for PPC, SafetyCert, Source Code and VSTAR V2017.02.2 and classified as critical. This issue affects some unknown processing. The manipulation as part of DHCP Packet results in logic error. This vulnerability is identified as CVE-2019-13939. The attack can only be performed from the local network. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Nucleus NET, RTOS, ReadyStart for ARM, ReadyStart for MIPS, ReadyStart for PPC, SafetyCert, Source Code and VSTAR V2017.02.2. Affected is an unknown code. The manipulation as part of a DHCP Packet leads to a logic error vulnerability. CWE is classifying the issue as CWE-840. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in Nucleus NET (All versions), Nucleus RTOS (All versions), Nucleus ReadyStart for ARM, MIPS, and PPC (All versions < V2017.02.2 with patch "Nucleus 2017.02.02 Nucleus NET Patch"), Nucleus SafetyCert (All versions), Nucleus Source Code (All versions), VSTAR (All versions). By sending specially crafted DHCP packets to a device, an attacker may be able to affect availability and integrity of the device. Adjacent network access, but no authentication and no user interaction is needed to conduct this attack. At the time of advisory publication no public exploitation of this security vulnerability was known.

The weakness was released 01/16/2020. This vulnerability is traded as CVE-2019-13939 since 07/18/2019. The attack needs to be initiated within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

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: 6.8
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Logic error
CWE: CWE-840
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/18/2019 🔍
01/16/2020 +182 days 🔍
01/17/2020 +1 days 🔍
03/11/2025 +1880 days 🔍

Sourcesinfo

Advisory: ssa-162506
Status: Not defined

CVE: CVE-2019-13939 (🔍)
GCVE (CVE): GCVE-0-2019-13939
GCVE (VulDB): GCVE-100-149076

Entryinfo

Created: 01/17/2020 06:51
Updated: 03/11/2025 13:01
Changes: 01/17/2020 06:51 (35), 01/17/2020 06:56 (17), 03/24/2024 13:13 (18), 03/24/2024 13:20 (13), 03/11/2025 13:01 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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