CVE-2020-5684

iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.

CVSS v3 4.8 MEDIUM
CVSS v2.0 5.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://jpn.nec.com/security-info/secinfo/nv20-015.html	Vendor Advisory
https://jvn.jp/en/jp/JVN10100024/index.html	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:nec:ism_server:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:nec:m120:-:::::::*
	cpe:2.3:h:nec:m12e:-:::::::*
	cpe:2.3:h:nec:m320:-:::::::*
	cpe:2.3:h:nec:m320f:-:::::::*

History

No history.

Information

Published : 2020-12-24 02:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-5684

Mitre link : CVE-2020-5684

CVE.ORG link : CVE-2020-5684

JSON object : View

Products Affected

nec

m320
m12e
m120
ism_server
m320f

CWE

CWE-295

Improper Certificate Validation

{"id": "CVE-2020-5684", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "published": "2020-12-24T02:15:12.957", "references": [{"url": "https://jpn.nec.com/security-info/secinfo/nv20-015.html", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://jvn.jp/en/jp/JVN10100024/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate."}, {"lang": "es", "value": "El cliente iSM desde versiones V5.1 anteriores a V12.1, que se ejecutan en NEC Storage Manager o NEC Storage Manager Express no verifican un certificado de servidor apropiadamente, el cual permite a un atacante de tipo man-in-the-middle espiar una comunicaci\u00f3n cifrada o alterar la comunicaci\u00f3n por medio de un certificado dise\u00f1ado"}], "lastModified": "2020-12-28T18:25:19.187", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nec:ism_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "752ABEA9-A949-4390-A361-CF95BB09F228", "versionEndExcluding": "12.1", "versionStartIncluding": "5.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:nec:m120:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "759282D6-414A-4D06-9BD1-FCB50D524F5F"}, {"criteria": "cpe:2.3:h:nec:m12e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ABEDC9FC-76CE-40C4-9DAE-9CF490D5D08F"}, {"criteria": "cpe:2.3:h:nec:m320:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B6C0F3F9-244A-477A-91F1-E224A8CF7A23"}, {"criteria": "cpe:2.3:h:nec:m320f:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7061A1F3-ED55-4906-8E46-7F4BA9B427F1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vultures@jpcert.or.jp"}