What is CVE-2018-20851?

CVE-2018-20851 is a high-severity vulnerability in Helpy.io Helpy. CVSS score: 8.8/10. Published 2019-07-10.

How severe is CVE-2018-20851?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Helpy.io Helpy

CVE-2018-20851

Helpy before 2.2.0 allows agents to edit admins.

Published 2019-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Helpy.io Helpy

References

github.com/helpyio/helpy/commit/a26dd854deb17e36a605f91a6f51d128e98d3818 (Patch, Third Party Advisory)
github.com/helpyio/helpy/compare/d64e97a...592bc60 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20851?: CVE-2018-20851 is a high-severity vulnerability in Helpy.io Helpy. CVSS score: 8.8/10. Published 2019-07-10.
How severe is CVE-2018-20851?: High severity. CVSS v3 base score is 8.8 out of 10.