What is the CVSS score of CVE-2018-11340?

CVE-2018-11340 has a CVSS 3.0 base score of 7.2 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.1%.

Is there a public PoC exploit available for CVE-2018-11340?

Yes, a public proof-of-concept exploit is available for CVE-2018-11340. Prioritise patching immediately. EPSS: 2.1%.

As6202T Firmware CVE-2018-11340

HIGH

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

2018-05-22 cve@mitre.org

File Upload As6202T Firmware

7.2

CVSS 3.0 · 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:3.0/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

May 22, 2018 - 01:29 nvd

HIGH 7.2

DescriptionNVD

An unrestricted file upload vulnerability in importuser.cgi in ASUSTOR AS6202T ADM 3.1.0.RFQ3 allows attackers to upload supplied data to a specified filename. This can be used to place attacker controlled code on the file system that is then executed.

AnalysisAI

An unrestricted file upload vulnerability in importuser.cgi in ASUSTOR AS6202T ADM 3.1.0.RFQ3 allows attackers to upload supplied data to a specified filename. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, 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. An unrestricted file upload vulnerability in importuser.cgi in ASUSTOR AS6202T ADM 3.1.0.RFQ3 allows attackers to upload supplied data to a specified filename. This can be used to place attacker controlled code on the file system that is then executed. Affected products include: Asustor As6202T Firmware.

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.