CVE-2021-31314

Name: CVE-2021-31314
Creator: NVD / NIST
Published: 2024-01-20T01:15:07.77+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2021-31314 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. File upload vulnerability in ejinshan v8+ terminal security system allows attackers to upload arbitrary files to arbitrary locations on the server.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.74%

49.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ejinshan	Terminal Security System	8.0

References

https://github.com/huahaiYa/jinshansoft/blob/main/Kingsoft%20Security%20Arbitrary%20File%20Upload%20%2B%20File%20Contains%20Vulnerabilities.mdExploit, Third Party Advisory
https://github.com/huahaiYa/jinshansoft/blob/main/Kingsoft%20Security%20Arbitrary%20File%20Upload%20%2B%20File%20Contains%20Vulnerabilities.mdExploit, Third Party Advisory

Timeline

Published: Jan 20, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31314?

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

How severe is CVE-2021-31314?

CVE-2021-31314 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31314?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31314?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST