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CVE-2021-20674

HIGH
7.8
CVSS Score
Published: March 12, 2021 at 01:00 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 2 vendorsMagicconnectTx Magicconnect

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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%

Description

Untrusted search path vulnerability in Installer of MagicConnect Client program distributed before 2021 March 1 allows an attacker to gain privileges and via a Trojan horse DLL in an unspecified directory and to execute arbitrary code with the privilege of the user invoking the installer when a terminal is connected remotely using Remote desktop.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Magicconnect· Ntt Tx
95%
v < 2021-03-01
Affected range stops below 2021-03-01, so it looks safe — our inference, not a vendor statement
Tx Magicconnect· Ntt Technocross
60%
v < 2021
Affected range stops below 2021, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN18056666/index.html
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.magicconnect.net/information/202103110900-2

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-427

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