CVE-2020-7877

ZOOK solution(remote administration tool) buffer overflow vulnerability

HIGH
8.8
CVSS Score
Published: September 7, 2021 at 11:43 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
2 products affected across 1 vendorZook ViewerZook Agent· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%

Description

A buffer overflow issue was discovered in ZOOK solution(remote administration tool) through processing 'ConnectMe' command while parsing a crafted OUTERIP value because of missing boundary check. This vulnerability allows the attacker to execute remote arbitrary command.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

microsoft-windows (environment)
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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