CVE-2020-11817

Name: CVE-2020-11817
Creator: NVD / NIST
Published: 2020-04-27T15:15:12.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.99%

Last modified Jun 17, 2026

CVE-2020-11817 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Rukovoditel V2.5.2, attackers can upload an arbitrary file to the server just changing the the content-type value. As a result of that, an attacker can execute a command on the server. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

Description

In Rukovoditel V2.5.2, attackers can upload an arbitrary file to the server just changing the the content-type value. As a result of that, an attacker can execute a command on the server. This specific attack only occurs with the Maintenance Mode setting.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.99%

78.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Rukovoditel	Rukovoditel	2.5.2

References

https://fatihhcelik.blogspot.com/2020/01/rukovoditel-maintenance-mode.htmlExploit, Third Party Advisory
https://fatihhcelik.blogspot.com/2020/01/rukovoditel-maintenance-mode.htmlExploit, Third Party Advisory

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11817?

How severe is CVE-2020-11817?

CVE-2020-11817 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11817?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11817?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST