Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-35578

83
FAUCET Score

CVE-2020-35578 describes an authenticated remote code execution vulnerability in Nagios XI versions prior to 5.8.0, stemming from improper handling of line-ending conversions during plugin uploads on the Manage Plugins page. With a CVSS score of 7.2 (High), this flaw allows a remote, authenticated administrator to execute arbitrary operating-system commands with high impact on confidentiality, integrity, and availability. While not listed on the KEV catalog, public exploit modules exist in Metasploit and ExploitDB, indicating readily available exploitation tools, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.8.0CPE matchmatch criteria
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
81.92%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Nagios XI Prior to 5.8.0 - Plugins Filename Authenticated Remote Code Exection · Dec 19, 2020
ExploitDB: EDB-49422 · Jan 14, 2021
This CVE's current EPSS score of 0.8192 is in the 99th percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/162207/Nagios-XI-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
nagios.com / downloads/nagios-xi/change-log
Release NotesVendor Advisory
nagios.com / products/security
Vendor Advisory