What is the CVSS score of CVE-2022-45427?

CVE-2022-45427 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2022-45427?

Yes, a patch is available for CVE-2022-45427. Update the affected software to the latest version immediately.

Dss Express CVE-2022-45427

HIGH

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

2022-12-27 cybersecurity@dahuatech.com

Dahua File Upload Dss Express Dss Professional Dhi Dss7016D S2 Firmware Dhi Dss7016Dr S2 Firmware Dhi Dss4004 S2 Firmware

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2022 - 18:15 nvd

HIGH 7.2

DescriptionNVD

Some Dahua software products have a vulnerability of unrestricted upload of file. After obtaining the permissions of administrators, by sending a specific crafted packet to the vulnerable interface, an attacker can upload arbitrary files.

AnalysisAI

Some Dahua software products have a vulnerability of unrestricted upload of file. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Some Dahua software products have a vulnerability of unrestricted upload of file. After obtaining the permissions of administrators, by sending a specific crafted packet to the vulnerable interface, an attacker can upload arbitrary files. Affected products include: Dahuasecurity Dss Express, Dahuasecurity Dss Professional, Dahuasecurity Dhi-Dss7016D-S2 Firmware, Dahuasecurity Dhi-Dss7016Dr-S2 Firmware, Dahuasecurity Dhi-Dss4004-S2 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.