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

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Siemens Nucleus NET, Nucleus RTOS and VSTAR. This affects an unknown part of the component DNS Module. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2020-27737. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens Nucleus NET, Nucleus RTOS and VSTAR (unknown version). It has been rated as critical. Affected by this issue is an unknown code block of the component DNS Module. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 04/23/2021 as ssa-669158. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2020-27737. 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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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
CWE: CWE-125 / 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

10/26/2020 🔍
04/23/2021 +178 days 🔍
04/23/2021 +0 days 🔍
04/27/2021 +4 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-669158
Status: Confirmed

CVE: CVE-2020-27737 (🔍)
GCVE (CVE): GCVE-0-2020-27737
GCVE (VulDB): GCVE-100-173780

Entryinfo

Created: 04/23/2021 08:31
Updated: 04/27/2021 14:26
Changes: 04/23/2021 08:31 (37), 04/27/2021 14:26 (5)
Complete: 🔍
Cache ID: 216::103

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