VDB-177626 · CVE-2021-33532 · vde-2021-026

Weidmueller IE-WL-BL-AP-CL-EU Diagnostic Script File Name iw_webs 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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Weidmueller IE-WL-BL-AP-CL-EU, IE-WLT-BL-AP-CL-EU, IE-WL-BL-AP-CL-US, IE-WLT-BL-AP-CL-US, IE-WL-VL-AP-BR-CL-EU, IE-WLT-VL-AP-BR-CL-EU, IE-WL-VL-AP-BR-CL-US and IE-WLT-VL-AP-BR-CL-US. This impacts the function iw_webs of the component Diagnostic Script File Name Handler. Such manipulation leads to os command injection. This vulnerability is documented as CVE-2021-33532. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Weidmueller IE-WL-BL-AP-CL-EU, IE-WLT-BL-AP-CL-EU, IE-WL-BL-AP-CL-US, IE-WLT-BL-AP-CL-US, IE-WL-VL-AP-BR-CL-EU, IE-WLT-VL-AP-BR-CL-EU, IE-WL-VL-AP-BR-CL-US and IE-WLT-VL-AP-BR-CL-US. Affected by this issue is the function iw_webs of the component Diagnostic Script File Name Handler. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 06/26/2021 as vde-2021-026. The advisory is available at cert.vde.com. This vulnerability is handled as CVE-2021-33532. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Weidmueller

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/24/2021 🔍
06/26/2021 +33 days 🔍
06/26/2021 +0 days 🔍
07/02/2021 +6 days 🔍

Sourcesinfo

Advisory: vde-2021-026
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-33532 (🔍)
GCVE (CVE): GCVE-0-2021-33532
GCVE (VulDB): GCVE-100-177626

Entryinfo

Created: 06/26/2021 06:13
Updated: 07/02/2021 20:28
Changes: 06/26/2021 06:13 (38), 07/02/2021 20:21 (6), 07/02/2021 20:28 (8)
Complete: 🔍
Cache ID: 216::103