VDB-176572 · CVE-2021-27399 · ssa-133038

Siemens Simcenter Femap up to 2020.2.MP2/2021.1.MP2 FEMAP File Parser femap.exe 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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Siemens Simcenter Femap up to 2020.2.MP2/2021.1.MP2 and classified as critical. Affected by this vulnerability is an unknown functionality of the file femap.exe of the component FEMAP File Parser. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2021-27399. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Siemens Simcenter Femap up to 2020.2.MP2/2021.1.MP2. This vulnerability affects an unknown code of the file femap.exe of the component FEMAP File Parser. 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 disclosed 06/09/2021 as ssa-133038. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2021-27399. There are known technical details, but no exploit is available.

Upgrading to version 2020.2.MP3 or 2021.1.MP3 eliminates this vulnerability.

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: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Partially

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: Simcenter Femap 2020.2.MP3/2021.1.MP3

Timelineinfo

02/18/2021 🔍
06/09/2021 +110 days 🔍
06/09/2021 +0 days 🔍
06/11/2021 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-133038
Status: Confirmed

CVE: CVE-2021-27399 (🔍)
GCVE (CVE): GCVE-0-2021-27399
GCVE (VulDB): GCVE-100-176572

Entryinfo

Created: 06/09/2021 10:08
Updated: 06/11/2021 14:10
Changes: 06/09/2021 10:08 (40), 06/11/2021 14:10 (5)
Complete: 🔍
Cache ID: 216::103