VDB-192630 · CVE-2021-46155 · ssa-609880

Siemens Simcenter Femap 2020.2/2021.1 NEU File Parser stack-based overflow

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.
6.6	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Siemens Simcenter Femap 2020.2/2021.1 and classified as critical. This impacts an unknown function of the component NEU File Parser. The manipulation results in stack-based overflow. This vulnerability is known as CVE-2021-46155. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Siemens Simcenter Femap 2020.2/2021.1. Affected is an unknown code of the component NEU File Parser. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/09/2022 as ssa-609880. The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-46155 since 01/07/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/12/2022).

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

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Productinfo

Vendor

Siemens

Name

Simcenter Femap

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: 6.6
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

01/07/2022 🔍
02/09/2022 +33 days 🔍
02/09/2022 +0 days 🔍
02/12/2022 +3 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-609880
Status: Confirmed

CVE: CVE-2021-46155 (🔍)
GCVE (CVE): GCVE-0-2021-46155
GCVE (VulDB): GCVE-100-192630

Entryinfo

Created: 02/09/2022 22:00
Updated: 02/12/2022 23:32
Changes: 02/09/2022 22:00 (38), 02/12/2022 23:21 (1), 02/12/2022 23:32 (18)
Complete: 🔍
Cache ID: 216::103