How severe is CVE-2023-0455?

CVE-2023-0455 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0455?

CVE-2023-0455 primarily affects Bumsys Project Bumsys. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-0455?

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-2023-0455 published?

CVE-2023-0455 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-0455

CVE-2023-0455 is a high-severity vulnerability in Bumsys Project Bumsys with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Bumsys Project Bumsys
Published: 2023-01-26
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type in GitHub repository unilogies/bumsys prior to v1.0.3-beta.

Frequently asked questions

What is CVE-2023-0455?: Unrestricted Upload of File with Dangerous Type in GitHub repository unilogies/bumsys prior to v1.0.3-beta.
How severe is CVE-2023-0455?: CVE-2023-0455 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0455?: CVE-2023-0455 primarily affects Bumsys Project Bumsys. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-0455?: 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-2023-0455 published?: CVE-2023-0455 was published on 2023-01-26 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:bumsys_project:bumsys:1.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:bumsys_project:bumsys:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:bumsys_project:bumsys:1.0.2:beta:*:*:*:*:*:*

More vulnerabilities in Bumsys Project Bumsys

CVE-2023-2552 — High (CVSS 8.8): Cross-Site Request Forgery (CSRF) in GitHub repository unilogies/bumsys prior to 2.1.1.
CVE-2023-2551 — High (CVSS 8.8): PHP Remote File Inclusion in GitHub repository unilogies/bumsys prior to 2.1.1.
CVE-2023-2832 — High (CVSS 7.2): SQL Injection in GitHub repository unilogies/bumsys prior to 2.2.0.
CVE-2023-2554 — High (CVSS 7.2): External Control of File Name or Path in GitHub repository unilogies/bumsys prior to 2.2.0.
CVE-2023-1361 — Medium (CVSS 6.5): SQL Injection in GitHub repository unilogies/bumsys prior to v2.0.2.
CVE-2023-1362 — Medium (CVSS 6.1): Improper Restriction of Rendered UI Layers or Frames in GitHub repository unilogies/bumsys prior to v2.0.2.

All CVEs affecting Bumsys Project Bumsys →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →