VDB-178438 · CVE-2021-34331 · ssa-483182

Siemens JT2Go/Teamcenter Visualization up to 13.1 JT File Jt981.dll out-of-bounds write

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Siemens JT2Go and Teamcenter Visualization up to 13.1. The impacted element is an unknown function in the library Jt981.dll of the component JT File Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2021-34331. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Siemens JT2Go and Teamcenter Visualization up to 13.1 and classified as critical. This vulnerability affects an unknown functionality in the library Jt981.dll of the component JT File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 07/13/2021 as ssa-483182. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2021-34331. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 13.2 eliminates this vulnerability.

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Productinfo

Type

Image Processing Software

Vendor

Siemens

Name

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Out-of-bounds write
CWE: CWE-787 / CWE-119
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: 🔍

Upgrade: JT2Go/Teamcenter Visualization 13.2

Timelineinfo

06/08/2021 🔍
07/13/2021 +35 days 🔍
07/13/2021 +0 days 🔍
07/16/2021 +3 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-483182
Status: Confirmed

CVE: CVE-2021-34331 (🔍)
GCVE (CVE): GCVE-0-2021-34331
GCVE (VulDB): GCVE-100-178438

Entryinfo

Created: 07/13/2021 17:27
Updated: 07/16/2021 11:39
Changes: 07/13/2021 17:27 (40), 07/16/2021 11:39 (5)
Complete: 🔍
Cache ID: 216::103