How severe is CVE-2023-29375?

CVE-2023-29375 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29375?

CVE-2023-29375 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29375?

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

When was CVE-2023-29375 published?

CVE-2023-29375 was published on 2023-04-10 and last updated on 2026-06-17.

CVE-2023-29375

CVE-2023-29375 is a critical-severity vulnerability in Progress Sitefinity with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Progress Sitefinity
Published: 2023-04-10
Last modified: 2026-06-17

Description

An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826, 14.2 before 14.2.7930, and 14.3 before 14.3.8025. There is potentially dangerous file upload through the SharePoint connector.

Frequently asked questions

What is CVE-2023-29375?: An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826, 14.2 before 14.2.7930, and 14.3 before 14.3.8025. There is potentially dangerous file upload through the SharePoint connector.
How severe is CVE-2023-29375?: CVE-2023-29375 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29375?: CVE-2023-29375 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29375?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-29375 published?: CVE-2023-29375 was published on 2023-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:*

More vulnerabilities in Progress Sitefinity

CVE-2026-7312 — Critical (CVSS 10.0): CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to…
CVE-2026-7198 — Critical (CVSS 9.8): CWE-284: Improper Access Control in web services in Progress Sitefinity 15.4.8623 before 15.4.8630 allows a remote…
CVE-2019-17392 — Critical (CVSS 9.8): Progress Sitefinity 12.1 has a Weak Password Recovery Mechanism for a Forgotten Password because the HTTP Host header…
CVE-2017-15883 — Critical (CVSS 9.8): Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and…
CVE-2017-9248 — Critical (CVSS 9.8): Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does…
CVE-2026-7201 — High (CVSS 8.8): CWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity 15.2.x before…

All CVEs affecting Progress Sitefinity →

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 →