Siemens Nucleus NET/Nucleus RTOS/VSTAR DNS Module out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Siemens Nucleus NET, Nucleus RTOS and VSTAR. This impacts an unknown function of the component DNS Module. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2020-15795. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Siemens Nucleus NET, Nucleus RTOS and VSTAR (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality of the component DNS Module. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/23/2021 as ssa-185699. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2020-15795. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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: 🔍

Timelineinfo

07/15/2020 🔍
04/23/2021 +282 days 🔍
04/23/2021 +0 days 🔍
04/27/2021 +4 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-185699
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-15795 (🔍)
GCVE (CVE): GCVE-0-2020-15795
GCVE (VulDB): GCVE-100-173776

Entryinfo

Created: 04/23/2021 08:15
Updated: 04/27/2021 14:20
Changes: 04/23/2021 08:15 (37), 04/27/2021 14:20 (6)
Complete: 🔍
Cache ID: 216::103

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