Security readout for executives and security teams
Nagios XI 5.7.5 and earlier has an insecure temporary-directory handling flaw. A person who can reach the vulnerable workflow may be able to abuse symlinks and escalate privileges. Monitoring systems often have broad operational visibility, so affected deployments should be reviewed promptly even though the bundle does not provide CVSS details. Exposure is limited to organizations running Nagios XI 5.7.5 or earlier. The provided data does not identify affected CPEs, authentication requirements, network reachability conditions, or whether hosted, internal, or appliance deployments differ. Treat this as a near-term remediation item for any Nagios XI deployment. The issue is not confirmed actively exploited in the bundle, but privilege escalation on a monitoring platform can materially increase incident impact. Mitigation focus: Inventory Nagios XI deployments and record exact versions.; Prioritize any Nagios XI instance at version 5.7.5 or earlier.; Review Nagios XI vendor changelog and advisories for fixed releases..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-28910 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.nagios.com/downloads/nagios-xi/change-log/CVE reference · x_refsource_MISC
- https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.