CVE-2021-31589
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedA cross-site scripting (XSS) vulnerability has been reported and confirmed for BeyondTrust Secure Remote Access Base Software version 6.0.1 and older, which allows the injection of unauthenticated, specially-crafted web requests without proper sanitization. Source description excerpt; complete tracked detail loads below.
NVD published: Jan 5, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
Reportedbeyondtrust — appliance_base_software. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jan 5, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 450.9
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · VulnCheck KEV
VulnCheck KEV added: Aug 19, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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