What is the CVSS score of CVE-2022-46493?

CVE-2022-46493 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2022-46493?

Yes, a public proof-of-concept exploit is available for CVE-2022-46493. Prioritise patching immediately. EPSS: 0.8%.

Nbnbk CVE-2022-46493

CRITICAL

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

2022-12-22 cve@mitre.org

File Upload Nbnbk

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 22, 2022 - 23:15 nvd

CRITICAL 9.8

DescriptionNVD

Default version of nbnbk was discovered to contain an arbitrary file upload vulnerability via the component /api/User/download_img.

AnalysisAI

Default version of nbnbk was discovered to contain an arbitrary file upload vulnerability via the component /api/User/download_img. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

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. Default version of nbnbk was discovered to contain an arbitrary file upload vulnerability via the component /api/User/download_img. Affected products include: Nbnbk Project Nbnbk.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.