CVE-2020-7812

Code execution via attacker-controlled ActiveX method arguments

Published May 28, 2020 · Updated Aug 4, 2024

Arbitrary file download in Kaoni ezHTTPTrans 1.0.0.70 through 1.0.0.90 allows remote attackers to execute code after a reboot. The ezhttptrans.ocx ActiveX control uses attacker-supplied method arguments to download an arbitrary file to the victim's PC. The published record does not identify the method name or delivery path; code execution requires the victim's PC to reboot.

CVSS severity7.8
High
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file download in Kaoni ezHTTPTrans 1.0.0.70 through 1.0.0.90 allows remote attackers to execute code after a reboot. The ezhttptrans.ocx ActiveX control uses attacker-supplied method arguments to download an arbitrary file to the victim's PC. The published record does not identify the method name or delivery path; code execution requires the victim's PC to reboot.

The record

CVE
CVE-2020-7812
Published
May 28, 2020
Updated
Aug 4, 2024
Vendor
Kaoni
Product
ezHTTPTrans
Classifications
CWE-494, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 28, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.70 <=1.0.0.90

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Kaoni · ezHTTPTransversion=1.0.0.70 <=1.0.0.90

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
7.8KrCERT/CCCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-494Download of Code Without Integrity Check
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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