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01 Record

CVE-2020-7856

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

HighPUBLISHEDCNA: krcert
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.85% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 57.9% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-04-20 12:02Z5 YR AGO
Last updated
2024-08-04 09:41Z2 YR AGO
Reserved
2020-01-22
Assigning CNA
krcert
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-287Improper AuthenticationClass
Data version
5.1
Document digest
4e0efe74ea046e55271e256642e3aa2cbc37283b35a71e92e62115f306e8fb78

05 Affected products

VendorProductVersionsPlatforms
CnestyHelpcom<= 10.0—

06 References