ZyXEL CloudCNM SecuManager 3.1.0/3.1.1 RSA SSH Key /opt/axess hard-coded credentials

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

A vulnerability classified as problematic was found in ZyXEL CloudCNM SecuManager 3.1.0/3.1.1 (Cloud Software). Affected by this vulnerability is an unknown part of the file /opt/axess of the component RSA SSH Key Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-798. As an impact it is known to affect confidentiality. The summary by CVE is:

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account within the /opt/axess chroot directory tree.

The weakness was disclosed 06/29/2020. This vulnerability is known as CVE-2020-15317 since 06/26/2020. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/30/2020). The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries 157451, 157450, 157449 and 157448 are pretty similar.

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

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

NVD Base Score: 5.9
NVD Vector: 🔒

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-798
ATT&CK: T1110.001

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

06/26/2020 CVE assigned
06/29/2020 +3 days Advisory disclosed
06/30/2020 +1 days VulDB entry created
06/30/2020 +0 days VulDB last update

Sourcesinfoedit

Vendor: https://www.zyxel.com/

Status: Not defined

CVE: CVE-2020-15317 (🔒)
See also: 🔒

Entryinfoedit

Created: 06/30/2020 08:54 AM
Changes: (18) software_type vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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