CVE-2021-27450

SSH server configuration file does not implement some best practices. This could lead to a weakening of the SSH protocol strength, which could lead to additional misconfiguration or be leveraged as part of a larger attack on the MU320E (all firmware versions prior to v04A00.1).

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:ge:mu320e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:ge:mu320e:-:*:*:*:*:*:*:*

History

29 Mar 2021, 19:20

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
References	~~(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02 -~~	(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02 - Third Party Advisory, US Government Resource
CPE		cpe:2.3:o:ge:mu320e_firmware:::::::: cpe:2.3:h:ge:mu320e:-:::::::*

25 Mar 2021, 20:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-03-25 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-27450

Mitre link : CVE-2021-27450

CVE.ORG link : CVE-2021-27450

JSON object : View

Products Affected

ge

mu320e
mu320e_firmware

CWE

CWE-326

Inadequate Encryption Strength

{"id": "CVE-2021-27450", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-03-25T20:15:13.163", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-326"}]}], "descriptions": [{"lang": "en", "value": "SSH server configuration file does not implement some best practices. This could lead to a weakening of the SSH protocol strength, which could lead to additional misconfiguration or be leveraged as part of a larger attack on the MU320E (all firmware versions prior to v04A00.1)."}, {"lang": "es", "value": "Un archivo de configuraci\u00f3n del servidor SSH no implementa algunas de las mejores pr\u00e1cticas. Esto podr\u00eda conllevar a un debilitamiento de la fuerza del protocolo SSH, lo que podr\u00eda conllevar a una configuraci\u00f3n incorrecta adicional o aprovecharse como parte de un ataque mayor en el MU320E (todas las versiones de firmware anteriores a la v04A00.1)"}], "lastModified": "2021-03-29T19:20:07.520", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ge:mu320e_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2B7FF17-31E3-4B8F-B1BE-DF91D6A0E654", "versionEndExcluding": "04a00.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:ge:mu320e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "929DAA0C-CE27-4EE4-BD2A-14C55E3B4CEB"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}