CVE-2021-20674

7.8 highEPSS 0.9%

High (7.8) in ntt-tx magicconnect. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-427
Published: 2021-03-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ntt-tx:magicconnect

References

https://jvn.jp/en/jp/JVN18056666/index.html
https://www.magicconnect.net/information/202103110900-2
https://jvn.jp/en/jp/JVN18056666/index.html
https://www.magicconnect.net/information/202103110900-2

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