CVE-2018-20166
CVSS v3
8.8
HIGH
EPSS Score
7.1 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 2026-10-05, 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).
Is CVE-2018-20166 affecting your environment?
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