CVE-2021-22743

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.

CVSS v3.0 3.9 LOW
CVSS v2.0 2.1 LOW

3.9^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 0.3 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:triconex_model_3009_mp:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:o:schneider-electric:tcm_4351b_firmware::::::::
	cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0:::::::*

cpe:2.3:h:schneider-electric:tcm_4351b:-:*:*:*:*:*:*:*

Information

Published : 2021-05-26 13:15

Updated : 2021-06-07 10:24

NVD link : CVE-2021-22743

Mitre link : CVE-2021-22743

JSON object : View

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

Advertisement

Products Affected

schneider-electric

triconex_model_3009_mp
tcm_4351b_firmware
triconex_model_3009_mp_firmware
tcm_4351b

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03", "name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-754"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-22743", "ASSIGNER": "cybersecurity@schneider-electric.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.9, "attackVector": "PHYSICAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.3}}, "publishedDate": "2021-05-26T20:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "11.8.0", "versionStartIncluding": "11.3.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:triconex_model_3009_mp:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:tcm_4351b_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "11.5.1", "versionStartIncluding": "11.3.0"}, {"cpe23Uri": "cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:tcm_4351b:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-06-07T17:24Z"}