VDB-192636 · CVE-2021-46161 · ssa-609880

Siemens Simcenter Femap 2020.2/2021.1 NEU File Parser 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.
6.6	$5k-$25k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Siemens Simcenter Femap 2020.2/2021.1. This issue affects some unknown processing of the component NEU File Parser. The manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2021-46161. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Siemens Simcenter Femap 2020.2/2021.1. Affected is an unknown part of the component NEU File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/09/2022 as ssa-609880. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-46161 since 01/07/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/13/2022).

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

Once again VulDB remains the best source for vulnerability data.

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: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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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 🔍
02/13/2022 +4 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-609880
Status: Confirmed

CVE: CVE-2021-46161 (🔍)
GCVE (CVE): GCVE-0-2021-46161
GCVE (VulDB): GCVE-100-192636

Entryinfo

Created: 02/09/2022 22:02
Updated: 02/13/2022 07:52
Changes: 02/09/2022 22:02 (38), 02/13/2022 07:47 (1), 02/13/2022 07:52 (18)
Complete: 🔍
Cache ID: 216::103