CVE-2020-35578

Name: CVE-2020-35578
Creator: NVD / NIST
Published: 2021-01-13T21:15:12.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 81.92%

Last modified Jun 17, 2026

CVE-2020-35578 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0. Because the line-ending conversion feature is mishandled during a plugin upload, a remote, authenticated admin user can execute operating-system commands.. EPSS estimates a 81.92% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0. Because the line-ending conversion feature is mishandled during a plugin upload, a remote, authenticated admin user can execute operating-system commands.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

81.92%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Nagios	Nagios Xi	< 5.8.0

References

http://packetstormsecurity.com/files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/162207/Nagios-XI-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
https://www.nagios.com/products/security/Vendor Advisory
http://packetstormsecurity.com/files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/162207/Nagios-XI-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
https://www.nagios.com/products/security/Vendor Advisory

Timeline

Published: Jan 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35578?

How severe is CVE-2020-35578?

CVE-2020-35578 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 81.92% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35578?

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-2020-35578?

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

Scan your code now

Source: NVD / NIST