CVE-2020-28900 is a critical vulnerability affecting Nagios Fusion 4.1.8 and earlier, and Nagios XI 5.7.5 and earlier, stemming from insufficient verification of data authenticity in update packages. This flaw allows an unauthenticated attacker to achieve escalation of privileges or remote code execution as root by manipulating the upgrade_to_latest.sh script. With a CVSS score of 9.8 (Critical), it presents a high risk due to its network-based attack vector and low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.1.8CPE matchmatch criteria | cpe:2.3:a:nagios:fusion:*:*:*:*:*:*:*:* | ||
<= 5.7.5CPE matchmatch criteria | cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.