Is CVE-2021-31314 actively exploited?

No active exploitation of CVE-2021-31314 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-31314 be exploited remotely?

Yes. CVE-2021-31314 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-31314?

CVE-2021-31314 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-31314

CWE-434Published: January 20, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

File upload vulnerability in ejinshan v8+ terminal security system allows attackers to upload arbitrary files to arbitrary locations on the server.

NVD Source

Risk Analysis

This file upload vulnerability in the ejinshan terminal security system allows attackers to upload files to arbitrary locations on the server. This can lead to full system compromise and is rated as critical.

No public exploit is known, and it is not in the KEV database. The vulnerability is remotely exploitable.

Recommended Action

Upgrade the ejinshan terminal security system to a version where this vulnerability is resolved. Restrict file upload paths and validate all incoming file types.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-31314 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.