CVE-2020-7883Network attack vector

Unauthenticated code execution via ActiveX remote-file argument

Published Dec 28, 2021 · Updated Sep 17, 2024

Remote code execution in Wowsoft PrintChaser 2.2021.804.1 and earlier allows remote attackers to run code through its ActiveX module. The module accepts an attacker-controlled remote-file argument, then downloads and executes that file without validating its origin or integrity. No authentication or user interaction is required, and successful exploitation runs attacker-supplied code on the affected Windows system.

CVSS severity9.8
Critical
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Wowsoft PrintChaser 2.2021.804.1 and earlier allows remote attackers to run code through its ActiveX module. The module accepts an attacker-controlled remote-file argument, then downloads and executes that file without validating its origin or integrity. No authentication or user interaction is required, and successful exploitation runs attacker-supplied code on the affected Windows system.

The record

CVE
CVE-2020-7883
Published
Dec 28, 2021
Updated
Sep 17, 2024
Vendor
Wowsoft
Product
PrintChaser
Classifications
CWE-494, T1105
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 28, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=2.2021.804.1 <2.2021.1103.101

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Wowsoft · PrintChaserversion=2.2021.804.1 <2.2021.1103.101

Published CVSS scores

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

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-494Download of Code Without Integrity Check
T1105Ingress Tool Transfer

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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