Inim Electronics SmartLiving SmartLAN up to 6.x testemail web.cgi system par format string

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.
9.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Inim Electronics SmartLiving SmartLAN up to 6.x and classified as critical. Affected by this vulnerability is the function system of the file web.cgi of the component testemail Module. Executing a manipulation of the argument par can lead to format string. This vulnerability is tracked as CVE-2020-21992. The attack can be launched remotely. No exploit exists. During the analysis of our data team we suspected a duplicate CVE assignment as CVE-2019-25289.

Detailsinfo

A vulnerability has been found in Inim Electronics SmartLiving SmartLAN up to 6.x and classified as very critical. This vulnerability affects the function system of the file web.cgi of the component testemail Module. The manipulation of the argument par with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/29/2021 as ZSL-2019-5544. The advisory is available at zeroscience.mk. This vulnerability was named CVE-2020-21992. 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 01/08/2026).

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
04/29/2021 +259 days 🔍
04/29/2021 +0 days 🔍
01/08/2026 +1715 days 🔍

Sourcesinfo

Advisory: ZSL-2019-5544
Status: Not defined

CVE: CVE-2020-21992 (🔍)
CVE Duplicate: 🔍
GCVE (CVE): GCVE-0-2020-21992
GCVE (VulDB): GCVE-100-174262

Entryinfo

Created: 04/29/2021 20:30
Updated: 01/08/2026 08:03
Changes: 04/29/2021 20:30 (40), 05/03/2021 08:14 (2), 01/08/2026 08:03 (16)
Complete: 🔍
Cache ID: 216::103

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