CVE-2018-20851
Helpy before 2.2.0 allows agents to edit admins.
8.8 High
Helpy before 2.2.0 allows agents to edit admins.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
1.50%Up 0.9 points since Apr 14, 2021
What each source reports
NVD Score used
Helpy before 2.2.0 allows agents to edit admins.
- Record
CVE-2018-20851- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Helpy before 2.2.0 allows agents to edit admins.
- Record
CVE-2018-20851- Updated
- 2026-11-02
EUVDEUVD-2018-13391 No score
Helpy before 2.2.0 allows agents to edit admins.
- Record
EUVD-2018-13391- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j9j2-w7v6-qw4x
Helpy before 2.2.0 allows agents to edit admins.
Helpy before 2.2.0 allows agents to edit admins.
- Record
GHSA-j9j2-w7v6-qw4x- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
Helpy before 2.2.0 allows agents to edit admins.
- Record
CVE-2018-20851- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20851 is a high vulnerability (CVSS 8.8) in Helpy.io Helpy, published July 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.