VDB-209769 · CVE-2020-15343 · GCVE-0-2020-15343

ZyXEL CloudCNM SecuManager 3.1.0/3.1.1 API zy_install_user_key missing authentication

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ZyXEL CloudCNM SecuManager 3.1.0/3.1.1. It has been rated as critical. Affected is the function zy_install_user_key of the component API. Performing a manipulation results in missing authentication. This vulnerability is cataloged as CVE-2020-15343. There is no exploit available.

Detailsinfo

A vulnerability was found in ZyXEL CloudCNM SecuManager 3.1.0/3.1.1 (Cloud Software). It has been classified as critical. This affects the function zy_install_user_key of the component API. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated zy_install_user_key API.

The weakness was shared 09/29/2022. The advisory is shared at pierrekim.github.io. This vulnerability is uniquely identified as CVE-2020-15343 since 06/26/2020. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/25/2022).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Cloud Software

Vendor

ZyXEL

Name

CloudCNM SecuManager

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2020 🔍
09/29/2022 +825 days 🔍
09/29/2022 +0 days 🔍
10/25/2022 +26 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: pierrekim.github.io
Status: Not defined

CVE: CVE-2020-15343 (🔍)
GCVE (CVE): GCVE-0-2020-15343
GCVE (VulDB): GCVE-100-209769

Entryinfo

Created: 09/29/2022 09:03
Updated: 10/25/2022 09:59
Changes: 09/29/2022 09:03 (40), 10/25/2022 09:59 (11)
Complete: 🔍
Cache ID: 216::103