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

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CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

A vulnerability classified as problematic has been found in ZyXEL CloudCNM SecuManager 3.1.0/3.1.1 (Cloud Software). Affected is some unknown functionality of the file /opt/axess of the component ECDSA SSH Key Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-798. This is going to have an impact on confidentiality. CVE summarizes:

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

The weakness was released 06/29/2020. This vulnerability is traded as CVE-2020-15316 since 06/26/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/30/2020). This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

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

Entries connected to this vulnerability are available at 157450, 157449, 157448 and 157447.

Productinfoedit

Type

Cloud Software

Vendor

ZyXEL

Name

CloudCNM SecuManager

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

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: 🔒

CVSSv2infoedit

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

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-2020-15316 (🔒)
See also: 🔒

Entryinfoedit