VDB-180438 · CVE-2021-33721 · ssa-756744

Siemens SINEC NMS up to 1.0 SP1 Batch Operation 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.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Siemens SINEC NMS up to 1.0 SP1. It has been declared as critical. Impacted is an unknown function of the component Batch Operation Handler. The manipulation results in os command injection. This vulnerability was named CVE-2021-33721. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Siemens SINEC NMS up to 1.0 SP1. It has been classified as critical. Affected is some unknown processing of the component Batch Operation Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 08/10/2021 as ssa-756744. The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-33721. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Applying the patch 1.0 SP2 is able to eliminate this problem.

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Productinfo

Vendor

Siemens

Name

SINEC NMS

Version

1.0 SP1

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 1.0 SP2

Timelineinfo

05/28/2021 🔍
08/10/2021 +74 days 🔍
08/10/2021 +0 days 🔍
08/14/2021 +4 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-756744
Status: Confirmed

CVE: CVE-2021-33721 (🔍)
GCVE (CVE): GCVE-0-2021-33721
GCVE (VulDB): GCVE-100-180438

Entryinfo

Created: 08/10/2021 14:28
Updated: 08/14/2021 22:17
Changes: 08/10/2021 14:28 (39), 08/14/2021 22:17 (2)
Complete: 🔍
Cache ID: 216::103