Siemens SCALANCE SC-600 SSH Authentication excessive authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Siemens RUGGEDCOM RM1224, SCALANCE M-800, SCALANCE S615 and SCALANCE SC-600. The affected element is an unknown function of the component SSH Authentication Handler. Executing a manipulation can lead to excessive authentication. This vulnerability appears as CVE-2021-25676. The attacker needs to be present on the local network. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Siemens RUGGEDCOM RM1224, SCALANCE M-800, SCALANCE S615 and SCALANCE SC-600 (affected version unknown). This vulnerability affects an unknown functionality of the component SSH Authentication Handler. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality.

The weakness was presented 03/16/2021 as ssa-296266. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2021-25676. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
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

01/21/2021 🔍
03/16/2021 +54 days 🔍
03/16/2021 +0 days 🔍
04/01/2021 +16 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-296266
Status: Confirmed

CVE: CVE-2021-25676 (🔍)
GCVE (CVE): GCVE-0-2021-25676
GCVE (VulDB): GCVE-100-171298

Entryinfo

Created: 03/16/2021 10:52
Updated: 04/01/2021 18:48
Changes: 03/16/2021 10:52 (37), 04/01/2021 18:42 (5), 04/01/2021 18:48 (18)
Complete: 🔍
Cache ID: 216::103

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