Skip to main content
HIGH

CVE-2018-20166

CVSS v3

8.8

HIGH

EPSS Score

7.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for the software you run.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2018-20166 yet.

Full record on NVD

Description

A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows the user to upload a background image, and mishandles extension checking. It accepts uploads of PHP content if the first few characters match GIF data, and the filename ends in ".php" with mixed case, such as the .pHp extension.

Technical details

Published
2019-01-02
Exploit-DB
EDB-46011

Frequently asked questions

What is CVE-2018-20166?

A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows the user to upload a background image, and mishandles extension checking. It accepts uploads of PHP content if the first few characters match GIF data, and the filename ends in ".php" with mixed case, such as the .pHp extension.

Is CVE-2018-20166 actively exploited?

Active exploitation of CVE-2018-20166 has not been confirmed. Its EPSS score was 7.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20166?

CVE-2018-20166 has a CVSS v3 base score of 8.8 (HIGH severity).

Hear about the next vulnerability in your software

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month