CVE-2020-7856 | BDVDB-2026-152292 Detail

CnestyHelpcom

Description#

A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient authentication validation.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-287 Improper Authentication

References#

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36003

Exploit#

No public exploit known

History#

Version 12021-04-20Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.

Published

Published: 2021-04-20
Last modified: 2024-08-04

Vendor information

Vendor: Cnesty
Product: Helpcom

All Cnesty vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 59.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 10.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).