Siemens Nucleus NET/Nucleus ReadyStart ISN predictable value

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Siemens Nucleus NET and Nucleus ReadyStart. This affects an unknown function of the component ISN Handler. Executing a manipulation can lead to predictable value. This vulnerability is handled as CVE-2020-28388. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Siemens Nucleus NET and Nucleus ReadyStart (the affected version unknown). This vulnerability affects an unknown part of the component ISN Handler. The manipulation with an unknown input leads to a predictable value vulnerability. The CWE definition for the vulnerability is CWE-343. The product's random number generator produces a series of values which, when observed, can be used to infer a relatively small range of possibilities for the next value that could be generated. As an impact it is known to affect confidentiality.

The weakness was released 02/10/2021 as ssa-362164. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2020-28388. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

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Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Predictable value
CWE: CWE-343 / CWE-342 / CWE-341
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

11/10/2020 🔍
02/10/2021 +92 days 🔍
02/10/2021 +0 days 🔍
02/27/2021 +17 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-362164
Status: Confirmed

CVE: CVE-2020-28388 (🔍)
GCVE (CVE): GCVE-0-2020-28388
GCVE (VulDB): GCVE-100-169606

Entryinfo

Created: 02/10/2021 09:29
Updated: 02/27/2021 07:14
Changes: 02/10/2021 09:29 (37), 02/27/2021 07:09 (5), 02/27/2021 07:14 (18)
Complete: 🔍
Cache ID: 216::103

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