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CVE-2023-33404

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file,...

9.8 CriticalPublic exploit

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

25.8%Up 25.7 points since Jun 27, 2023
90%50%10%1%

What each source reports

NVD Score used 9.8

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Record
CVE-2023-33404
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
CVE List No score

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Record
CVE-2023-33404
Updated
2026-11-02
EUVDEUVD-2023-37567 No score

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Record
EUVD-2023-37567
Updated
2026-11-03
GitHub AdvisoriesGHSA-8vr7-mc5w-34ff 9.8

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file,...

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Record
GHSA-8vr7-mc5w-34ff
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
OSV No score

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Record
CVE-2023-33404
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubhacip/CVE-2023-334042023-06-20

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33404 is a critical vulnerability (CVSS 9.8) in Blogengine Blogengine.net, published June 26, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 25.8%, the 97th percentile. No source names a fixed version.

References

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