CVE-2020-5684

Severity Score

4.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

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 comunicación cifrada o alterar la comunicación por medio de un certificado diseñado

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-06 CVE Reserved
2020-12-24 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (2)

URL	Tag	Source
https://jvn.jp/en/jp/JVN10100024/index.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://jpn.nec.com/security-info/secinfo/nv20-015.html	2020-12-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nec Search vendor "Nec"	Ism Server Search vendor "Nec" for product "Ism Server"	>= 5.1 < 12.1 Search vendor "Nec" for product "Ism Server" and version " >= 5.1 < 12.1"	-	Affected	in	Nec Search vendor "Nec"	M120 Search vendor "Nec" for product "M120"	-	-	Safe
Nec Search vendor "Nec"	Ism Server Search vendor "Nec" for product "Ism Server"	>= 5.1 < 12.1 Search vendor "Nec" for product "Ism Server" and version " >= 5.1 < 12.1"	-	Affected	in	Nec Search vendor "Nec"	M12e Search vendor "Nec" for product "M12e"	-	-	Safe
Nec Search vendor "Nec"	Ism Server Search vendor "Nec" for product "Ism Server"	>= 5.1 < 12.1 Search vendor "Nec" for product "Ism Server" and version " >= 5.1 < 12.1"	-	Affected	in	Nec Search vendor "Nec"	M320 Search vendor "Nec" for product "M320"	-	-	Safe
Nec Search vendor "Nec"	Ism Server Search vendor "Nec" for product "Ism Server"	>= 5.1 < 12.1 Search vendor "Nec" for product "Ism Server" and version " >= 5.1 < 12.1"	-	Affected	in	Nec Search vendor "Nec"	M320f Search vendor "Nec" for product "M320f"	-	-	Safe