How severe is CVE-2023-33363?

CVE-2023-33363 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-33363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33363?

CVE-2023-33363 affects Supremainc Biostar 2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-33363 published?

CVE-2023-33363 was published on 2023-08-03 and last updated on 2026-06-17.

CVE-2023-33363

CVE-2023-33363 is a high-severity vulnerability in Supremainc Biostar 2 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Supremainc Biostar 2
Published: 2023-08-03
Last modified: 2026-06-17

Description

An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated users to access some functionality on BioStar 2 servers.

Frequently asked questions

What is CVE-2023-33363?: An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated users to access some functionality on BioStar 2 servers.
How severe is CVE-2023-33363?: CVE-2023-33363 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-33363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33363?: CVE-2023-33363 affects Supremainc Biostar 2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-33363 published?: CVE-2023-33363 was published on 2023-08-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:supremainc:biostar_2:*:*:*:*:*:*:*:*

More vulnerabilities in Supremainc Biostar 2

CVE-2023-33366 — High (CVSS 8.8): A SQL injection vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows authenticated users to inject…
CVE-2023-33364 — High (CVSS 8.8): An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which allows authenticated users to…
CVE-2023-31923 — High (CVSS 8.8): Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. A vulnerability in the web application allows an…
CVE-2022-38351 — High (CVSS 8.8): A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate privileges to System…
CVE-2023-33365 — High (CVSS 7.5): A path traversal vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated attackers to…
CVE-2020-15050 — High (CVSS 7.5): An issue was discovered in the Video Extension in Suprema BioStar 2 before 2.8.2. Remote attackers can read arbitrary…

All CVEs affecting Supremainc Biostar 2 →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →