CVE-2021-27734

Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote attackers to change the credentials of existing users.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016	Vendor Advisory
https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:belden:hirschmann_hios::::::::
	cpe:2.3:o:belden:hirschmann_hios:07.1.01:::::::*
	cpe:2.3:o:belden:hirschmann_hios:07.1.02:::::::*
	cpe:2.3:o:belden:hisecos::::::::

History

21 Nov 2024, 05:58

Type	Values Removed	Values Added
References	~~() https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016 - Vendor Advisory~~	() https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016 - Vendor Advisory

Information

Published : 2021-05-17 15:15

Updated : 2024-11-21 05:58

NVD link : CVE-2021-27734

Mitre link : CVE-2021-27734

CVE.ORG link : CVE-2021-27734

JSON object : View

Products Affected

belden

hirschmann_hios
hisecos

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-27734", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-05-17T15:15:07.700", "references": [{"url": "https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote attackers to change the credentials of existing users."}, {"lang": "es", "value": "Hirschmann HiOS versiones 07.1.01, 07.1.02 y versiones 08.1.00 hasta 08.5.xx y HiSecOS versiones 03.3.00 hasta 03.5.01, permiten a atacantes remotos cambiar las credenciales de los usuarios existentes"}], "lastModified": "2024-11-21T05:58:28.980", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A767C0A4-2042-4394-9179-28002013B2BA", "versionEndExcluding": "08.6.00", "versionStartIncluding": "08.1.00"}, {"criteria": "cpe:2.3:o:belden:hirschmann_hios:07.1.01:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0E681A0-6E69-4A14-B7D8-AA4FEB5BFA25"}, {"criteria": "cpe:2.3:o:belden:hirschmann_hios:07.1.02:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C0BA45B-A4F2-4F6E-925E-BF050046B5DD"}, {"criteria": "cpe:2.3:o:belden:hisecos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB3A9A32-97D5-4210-8592-EA292A70D03E", "versionEndIncluding": "03.5.01", "versionStartIncluding": "03.3.00"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

9.8 /10