VDB-174172 · CVE-2020-22000 · ZSL-2019-5560

HomeAutomation 3.3.2 Custom Command Plugin customcommand.plugin.php exec set_command_on/set_command_off os command injection

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in HomeAutomation 3.3.2. This impacts the function exec of the file /system/systemplugins/customcommand/customcommand.plugin.php of the component Custom Command Plugin. Executing a manipulation of the argument set_command_on/set_command_off can lead to os command injection. This vulnerability is tracked as CVE-2020-22000. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in HomeAutomation 3.3.2 (Automation Software) and classified as critical. This vulnerability affects the function exec of the file /system/systemplugins/customcommand/customcommand.plugin.php of the component Custom Command Plugin. The manipulation of the argument set_command_on/set_command_off with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/28/2021 as ZSL-2019-5560. The advisory is shared for download at zeroscience.mk. This vulnerability was named CVE-2020-22000. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:system/systemplugins/customcommand/customcommand.plugin.php it is possible to find vulnerable targets with Google Hacking.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (47809). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Automation Software

Name

HomeAutomation

Version

3.3.2

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
04/28/2021 +258 days 🔍
04/28/2021 +0 days 🔍
05/02/2021 +4 days 🔍

Sourcesinfo

Advisory: ZSL-2019-5560
Status: Not defined

CVE: CVE-2020-22000 (🔍)
GCVE (CVE): GCVE-0-2020-22000
GCVE (VulDB): GCVE-100-174172
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/28/2021 07:21
Updated: 05/02/2021 11:12
Changes: 04/28/2021 07:21 (44), 05/02/2021 11:12 (2)
Complete: 🔍
Cache ID: 216::103