CVE-2021-38289

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-07-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue has been discovered in Novastar-VNNOX-iCare Novaicare 7.16.0 that gives attacker privilege escalation and allows attackers to view corporate information and SMTP server details, delete users, view roles, and other unspecified impacts. NOTE: As of April 2026, the vendor has officially decommissioned the affected legacy endpoints and associated services. The vulnerability is mitigated as the functional logic is no longer operational and the URLs have been removed from production.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
69.9%
KEV
Not listed

Published

July 12, 2022

Last Modified

April 7, 2026

Advisory Details (2)

Auto-updated May 22, 2026
No patch confirmed yet.
generic
https://twitter.com/viperbluff/status/1439941380244230150?s=20&t=iPSn8eNxaxUKis5OKSQJRQ
generic

GitHub - viperbluff/Novastar-VNNOX-iCare-Privilege-Escalation: Novastar Novaicare : It is used to centrally monitor display status of LED screens affected by Privilege Escalation Bug · GitHub

https://github.com/viperbluff/Novastar-VNNOX-iCare-Privilege-Escalation

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 45× 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.

Showing the most recent 100 of 140 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2021-38289?
CVE-2021-38289 is a high vulnerability published on July 12, 2022. An issue has been discovered in Novastar-VNNOX-iCare Novaicare 7.16.0 that gives attacker privilege escalation and allows attackers to view corporate information and SMTP server details, delete users, view roles, and other unspecified impacts. NOTE: As of April 2026, the vendor has officially…
When was CVE-2021-38289 disclosed?
CVE-2021-38289 was first published in the National Vulnerability Database on July 12, 2022, with the most recent update on April 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-38289 actively exploited?
CVE-2021-38289 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-38289?
CVE-2021-38289 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2021-38289?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38289, 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.

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