Is CVE-2020-24772 actively exploited?

No active exploitation of CVE-2020-24772 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-24772 be exploited remotely?

Yes. CVE-2020-24772 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-24772?

CVE-2020-24772 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2020-24772

CWE-346Published: March 21, 2022· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

In Dreamacro Clash for Windows v0.11.4, an attacker could embed a malicious iframe in a website with a crafted URL that would launch the Clash Windows client and force it to open a remote SMB share. Windows will perform NTLM authentication when opening the SMB share and that request can be relayed (using a tool like responder) for code execution (or captured for hash cracking).

NVD Source

Technical Analysis

CVE-2020-24772 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.