VDB-76888 · CVE-2015-3959 · BID 75235

MNS up to 4.5.5 on Magnum Serial-Console hard-coded credentials

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MNS up to 4.5.5 on Magnum. This impacts an unknown function of the component Serial-Console. Executing a manipulation can lead to hard-coded credentials. This vulnerability appears as CVE-2015-3959. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in MNS up to 4.5.5 on Magnum. This vulnerability affects an unknown function of the component Serial-Console. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The firmware in MNS before 4.5.6 on Belden GarrettCom Magnum 6K and Magnum 10K switches has a hardcoded serial-console password for a privileged account, which might allow physically proximate attackers to obtain access by establishing a console session to a nonstandard installation on which this account is enabled, and leveraging knowledge of this password.

The weakness was presented 08/04/2015 with Qualys (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability was named CVE-2015-3959 since 05/12/2015. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1110.001.

Upgrading to version 4.5.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 75235†). See VDB-76887, VDB-76889 and VDB-76890 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍
Upgrade: MNS 4.5.6

Timelineinfo

05/12/2015 🔍
06/16/2015 +35 days 🔍
08/03/2015 +48 days 🔍
08/04/2015 +1 days 🔍
08/04/2015 +0 days 🔍
05/13/2018 +1013 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Organization: Qualys
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-3959 (🔍)
GCVE (CVE): GCVE-0-2015-3959
GCVE (VulDB): GCVE-100-76888
SecurityFocus: 75235 - GarrettCom Magnum 6K and 10K Switches Hardcoded Credentials Local Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 08/04/2015 18:21
Updated: 05/13/2018 10:36
Changes: 08/04/2015 18:21 (43), 05/13/2018 10:36 (13)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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