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ID

VAR-202109-1121


CVE

CVE-2021-41539


TITLE

Siemens Solid Edge Viewer OBJ File Parsing Use-After-Free Remote Code Execution Vulnerability

Trust: 0.7

sources: ZDI: ZDI-21-1123

DESCRIPTION

A vulnerability has been identified in Solid Edge SE2021 (All versions < SE2021MP8). The affected application contains a use-after-free vulnerability while parsing OBJ files. An attacker could leverage this vulnerability to execute code in the context of the current process (ZDI-CAN-13773). This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Solid Edge Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the parsing of OBJ files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.16

sources: NVD: CVE-2021-41539 // ZDI: ZDI-21-1123 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-41539

AFFECTED PRODUCTS

vendor:siemensmodel:solid edgescope:eqversion:se2021

Trust: 1.0

vendor:siemensmodel:solid edgescope:ltversion:se2021

Trust: 1.0

vendor:siemensmodel:solid edge viewerscope: - version: -

Trust: 0.7

sources: ZDI: ZDI-21-1123 // NVD: CVE-2021-41539

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD: CVE-2021-41539
value: HIGH

Trust: 1.0

ZDI: CVE-2021-41539
value: HIGH

Trust: 0.7

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202109-1842
value: HIGH

Trust: 0.6

VULMON: CVE-2021-41539
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-41539
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

NVD: CVE-2021-41539
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

ZDI: CVE-2021-41539
baseSeverity: HIGH
baseScore: 7.8
vectorString: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-21-1123 // VULMON: CVE-2021-41539 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202109-1842 // NVD: CVE-2021-41539

PROBLEMTYPE DATA

problemtype:CWE-416

Trust: 1.0

sources: NVD: CVE-2021-41539

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202109-1842

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

CONFIGURATIONS

sources:
            
            
            NVD: CVE-2021-41539

PATCH
title: - url:https://www.siemens.com/cert/advisories/https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
Trust: 0.7
title:Siemens Solid Edge Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=164370
Trust: 0.6
title:Siemens Security Advisories: Siemens Security Advisoryurl:https://vulmon.com/vendoradvisory?qidtp=siemens_security_advisories&qid=3b85ee03e935aff52e55e7402b3926a1
Trust: 0.1
sources:
            
            
            ZDI: ZDI-21-1123 // 
            
            
            
            VULMON: CVE-2021-41539 // 
            
            
            
            CNNVD: CNNVD-202109-1842

EXTERNAL IDS
db:NVDid:CVE-2021-41539
Trust: 2.4
db:ZDIid:ZDI-21-1123
Trust: 2.4
db:SIEMENSid:SSA-728618
Trust: 1.7
db:ZDI_CANid:ZDI-CAN-13773
Trust: 0.7
db:CS-HELPid:SB2021041363
Trust: 0.6
db:CNNVDid:CNNVD-202104-975
Trust: 0.6
db:ICS CERTid:ICSA-21-287-06
Trust: 0.6
db:CS-HELPid:SB2021092905
Trust: 0.6
db:AUSCERTid:ESB-2021.3454
Trust: 0.6
db:CNNVDid:CNNVD-202109-1842
Trust: 0.6
db:VULMONid:CVE-2021-41539
Trust: 0.1
sources:
            
            
            ZDI: ZDI-21-1123 // 
            
            
            
            VULMON: CVE-2021-41539 // 
            
            
            
            CNNVD: CNNVD-202104-975 // 
            
            
            
            CNNVD: CNNVD-202109-1842 // 
            
            
            
            NVD: CVE-2021-41539

REFERENCES
url:https://www.zerodayinitiative.com/advisories/zdi-21-1123/
Trust: 2.4
url:https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
Trust: 1.7
url:https://www.siemens.com/cert/advisories/https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
Trust: 0.7
url:https://www.cybersecurity-help.cz/vdb/sb2021041363
Trust: 0.6
url:https://us-cert.cisa.gov/ics/advisories/icsa-21-287-06
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2021.3454
Trust: 0.6
url:https://www.cybersecurity-help.cz/vdb/sb2021092905
Trust: 0.6
url:https://nvd.nist.gov/vuln/detail/cve-2021-41539
Trust: 0.6
url:https://cwe.mitre.org/data/definitions/416.html
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
sources:
            
            
            ZDI: ZDI-21-1123 // 
            
            
            
            VULMON: CVE-2021-41539 // 
            
            
            
            CNNVD: CNNVD-202104-975 // 
            
            
            
            CNNVD: CNNVD-202109-1842 // 
            
            
            
            NVD: CVE-2021-41539

CREDITS
xina1i
Trust: 1.3
sources:
            
            
            ZDI: ZDI-21-1123 // 
            
            
            
            CNNVD: CNNVD-202109-1842

SOURCES
db:ZDIid:ZDI-21-1123
db:VULMONid:CVE-2021-41539
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202109-1842
db:NVDid:CVE-2021-41539

LAST UPDATE DATE
2022-05-04T07:11:58.756000+00:00

SOURCES UPDATE DATE
db:ZDIid:ZDI-21-1123date:2021-09-30T00:00:00
db:VULMONid:CVE-2021-41539date:2021-10-01T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202109-1842date:2021-10-19T00:00:00
db:NVDid:CVE-2021-41539date:2021-10-01T13:53:00

SOURCES RELEASE DATE
db:ZDIid:ZDI-21-1123date:2021-09-30T00:00:00
db:VULMONid:CVE-2021-41539date:2021-09-28T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202109-1842date:2021-09-28T00:00:00
db:NVDid:CVE-2021-41539date:2021-09-28T12:15:00