CVE-2023-33363Network attack vector

Unauthenticated access to restricted server functionality

Published Aug 3, 2023 · Updated Oct 17, 2024

Authentication bypass in Suprema BioStar 2 before 2.9.1 allows remote attackers to access restricted server functionality without credentials. The published vendor and researcher records do not identify the affected endpoint, authentication check, or request characteristic that permits the bypass. The BioStar 2 server must be network-reachable; the disclosed consequence is limited to unspecified protected functionality, with no published claim of broader control.

CVSS severity7.5
High
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Suprema BioStar 2 before 2.9.1 allows remote attackers to access restricted server functionality without credentials. The published vendor and researcher records do not identify the affected endpoint, authentication check, or request characteristic that permits the bypass. The BioStar 2 server must be network-reachable; the disclosed consequence is limited to unspecified protected functionality, with no published claim of broader control.

The record

CVE
CVE-2023-33363
Published
Aug 3, 2023
Updated
Oct 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-287, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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