CVE-2021-32543

Name: CVE-2021-32543
Creator: NVD / NIST
Published: 2021-05-28T08:15:07.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2021-32543 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Sysjust	Cts Web	< 2021.3.24

References

https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4759-92eab-1.htmlThird Party Advisory
https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4759-92eab-1.htmlThird Party Advisory

Timeline

Published: May 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32543?

How severe is CVE-2021-32543?

CVE-2021-32543 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32543?

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-2021-32543?

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

Scan your code now

Source: NVD / NIST