{"id":"CVE-2020-24772","aliases":["EUVD-2020-17482","GHSA-9p6p-g2wp-cr53"],"status":"published","title":"In Dreamacro 1.1.0, an attacker could embed a malicious iframe in a website with a crafted URL...","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).","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00677,"percentile":0.52573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2022-03-21T14:48:27Z","modified":"2026-06-17T03:06:03Z","products":[{"vendor":"clash_project","product":"clash"}],"references":[{"url":"https://github.com/Dreamacro/clash/issues/910","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24772"},{"url":"https://github.com/advisories/GHSA-9p6p-g2wp-cr53"}],"sources":{"cve":[{"id":"CVE-2020-24772","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).","status":"published","published":"2022-03-21T14:48:27Z","modified":"2024-08-04T15:19:09.335Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17482","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).","status":"published","published":"2022-03-21T14:48:27Z","modified":"2024-08-04T15:19:09Z","updated_at":"2026-11-03T03:07:19.210308Z"}],"ghsa":[{"id":"GHSA-9p6p-g2wp-cr53","title":"In Dreamacro 1.1.0, an attacker could embed a malicious iframe in a website with a crafted URL...","description":"In Dreamacro 1.1.0, 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).","status":"published","published":"2022-03-22T00:00:42Z","modified":"2023-01-27T05:00:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:41:47.408375Z"}],"nvd":[{"id":"CVE-2020-24772","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).","status":"published","published":"2022-03-21T15:15:07.853Z","modified":"2026-06-17T03:06:03.877Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:06:46.951463Z"}]}}