CVE-2021-45092

CRITICALNVD 9.89.8—Elevated

9.8

Thinfinity VirtualUI before 3.0 has functionality in /lab.html reachable by default that could allow IFRAME injection via the vpath parameter.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 99.2%
KEV: Not listed

Published

December 16, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 7, 2026

No patch confirmed yet.

generic

Vulnerability - Improper Access Control · Issue #2 · cybelesoft/virtualui · GitHub

https://github.com/cybelesoft/virtualui/issues/2

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

Data Freshness Timeline

(refreshed 5× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-23 08:33 UTCEG score recompute
2026-05-23 08:33 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-50770
First seen Feb 21, 2022
Thinfinity VirtualUI 2.5.41.0 - IFRAME Injection
Open source ↗
Nucleihttp/cves/2021/CVE-2021-45092.yaml
First seen Jan 1, 2021
Thinfinity Iframe Injection
Open source ↗

Frequently asked(5)

What is CVE-2021-45092?

CVE-2021-45092 is a critical vulnerability published on December 16, 2021. Thinfinity VirtualUI before 3.0 has functionality in /lab.html reachable by default that could allow IFRAME injection via the vpath parameter.

When was CVE-2021-45092 disclosed?

CVE-2021-45092 was first published in the National Vulnerability Database on December 16, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-45092 actively exploited?

CVE-2021-45092 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45092?

CVE-2021-45092 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-45092?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45092, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-45092

📅 Published

🔄 Last Modified

📋 Advisory Details (1)