CVE-2023-33364
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk72th percentile - higher than 72% of all known CVEs
Summary
An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which allows authenticated users to execute arbitrary OS commands on the BioStar 2 server.
Risk Assessment
This vulnerability may lead to unauthorized access to the server's operating system, posing a serious threat to the organization's data security.
Recommendation
It is recommended to update Suprema BioStar 2 to version V2.9.1 or later to mitigate this vulnerability.
Other vulnerabilities in Suprema BioStar 2
See all- CVE-2026-9508Critical
A vulnerability in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) stems from incorrect permission settings on a critical resource, causing backup files to be publicly exposed when the administrator configures their path within the NGINX webroot. An attacker with network access can directly download backup ZIP files via ‘http(s)://[server]/download/…’ without authentication.
- CVE-2023-27167Medium
Suprema BioStar 2 v2.8.16 was discovered to contain a SQL injection vulnerability via the 'values' parameter at /users/absence?search_month=1. An attacker can exploit this flaw to manipulate database queries.
- CVE-2026-9509High
An unhandled exception in Suprema BioStar 2 (Server) versions 2.9.8, 2.9.10, and 2.9.11 allows an unauthenticated remote attacker to cause a denial of service (DoS) by sending HTTP POST requests to the '/api/migration' endpoint. This triggers a failure that halts critical processes, leaving the system offline until manual restart of services or the server.
- CVE-2023-33366High
A SQL injection vulnerability exists in Suprema BioStar 2 before version 2.9.1, allowing authenticated users to inject arbitrary SQL directives into SQL statements and execute arbitrary SQL commands.
- CVE-2023-33365High
A path traversal vulnerability exists in Suprema BioStar 2 before version 2.9.1, allowing unauthenticated attackers to fetch arbitrary files from the server.
- CVE-2023-33363High
An authentication bypass vulnerability exists in Suprema BioStar 2 before version 2.9.1, allowing unauthenticated users to access some functionality on BioStar 2 servers.
Original NVD description (English source)
An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which allows authenticated users to execute arbitrary OS commands on the BioStar 2 server.

