Siemens Desigo CC HTTP GET Request os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
7.3$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Siemens Desigo CC, GMA-Manager, Operation Scheduler, Siveillance Control and Siveillance Control Pro. This affects an unknown part of the component HTTP GET Request Handler. This manipulation causes os command injection. The identification of this vulnerability is CVE-2021-31891. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Siemens Desigo CC, GMA-Manager, Operation Scheduler, Siveillance Control and Siveillance Control Pro and classified as critical. Affected by this vulnerability is some unknown functionality of the component HTTP GET Request Handler. The manipulation 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 shared 09/14/2021 as ssa-535380. The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2021-31891 since 04/29/2021. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/14/2021). MITRE ATT&CK project uses the attack technique T1202 for this issue.

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

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/29/2021 🔍
09/14/2021 +138 days 🔍
09/14/2021 +0 days 🔍
09/16/2021 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-535380
Status: Confirmed

CVE: CVE-2021-31891 (🔍)
GCVE (CVE): GCVE-0-2021-31891
GCVE (VulDB): GCVE-100-182569

Entryinfo

Created: 09/14/2021 15:20
Updated: 09/16/2021 18:34
Changes: 09/14/2021 15:20 (37), 09/16/2021 18:34 (1)
Complete: 🔍
Cache ID: 216::103

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

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