CVE-2021-38289

Name: CVE-2021-38289
Creator: NVD / NIST
Published: 2022-07-12T14:15:14.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2021-38289 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.18%

63.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Novastar	Novaicare	7.16.0

References

https://github.com/viperbluff/Novastar-VNNOX-iCare-Privilege-EscalationExploit, Third Party Advisory
https://security.novaicare.com/advisory-cve-2021-38289.html
https://twitter.com/viperbluff/status/1439941380244230150?s=20&t=iPSn8eNxaxUKis5OKSQJRQExploit, Third Party Advisory
https://github.com/viperbluff/Novastar-VNNOX-iCare-Privilege-EscalationExploit, Third Party Advisory
https://twitter.com/viperbluff/status/1439941380244230150?s=20&t=iPSn8eNxaxUKis5OKSQJRQExploit, Third Party Advisory

Timeline

Published: Jul 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38289?

How severe is CVE-2021-38289?

CVE-2021-38289 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38289?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38289?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST