What is CVE-2020-7869?

CVE-2020-7869 is a critical-severity vulnerability in Mastersoft Zook, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2021-06-29.

How severe is CVE-2020-7869?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Improper input validation in Mastersoft Zook

CVE-2020-7869

An improper input validation vulnerability of ZOOK software (remote administration tool) could allow a remote attacker to create arbitrary file. The ZOOK viewer has the "Tight file CMD" function to create file. An attacker could create and execute arbitrary file in the ZOOK agent program using "Tight file CMD" without authority.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Mastersoft Zook — versions 2.0.4.6
Microsoft Windows

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

vuln@krcert.or.kr (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7869?: CVE-2020-7869 is a critical-severity vulnerability in Mastersoft Zook, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2021-06-29.
How severe is CVE-2020-7869?: Critical severity. CVSS v3 base score is 9.0 out of 10.