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CVE-2021-32543— SysJust CTS Web - Broken Authentication

Quick assessment

Affected
SysJust CTS Web
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

嘉实资讯 CTS Web transaction system是台湾嘉实资讯公司的一款CTS Web 交易系統。 CTS Web transaction system 存在授权问题漏洞，该漏洞源于事务系统的认证相关的功能实现不正确。远程攻击者可利用该漏洞在登陆后操纵cookie访问其他账户，并以欺骗身份在股市交易。

CVSS 6.5 · Medium EPSS 0.76% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32543

Vulnerability Information
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Vulnerability Title
SysJust CTS Web - Broken Authentication
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
嘉实资讯 CTS Web transaction system 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
嘉实资讯 CTS Web transaction system是台湾嘉实资讯公司的一款CTS Web 交易系統。 CTS Web transaction system 存在授权问题漏洞，该漏洞源于事务系统的认证相关的功能实现不正确。远程攻击者可利用该漏洞在登陆后操纵cookie访问其他账户，并以欺骗身份在股市交易。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SysJust CTS Web unspecified ~ released 2021.3.25 -

II. Public POCs for CVE-2021-32543

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III. Intelligence Information for CVE-2021-32543

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Other References for CVE-2021-32543 (1)

Same Patch Batch · SysJust · 2021-05-28 · 3 CVEs total

CVE-2021-32541 5.3 MEDIUM SysJust CTS Web - Broken Access Control
CVE-2021-32542 4.7 MEDIUM SysJust CTS Web - Reflected XSS

IV. Related Vulnerabilities

Same product: CTS Web
Same vendor: SysJust
Same weakness: CWE-287

V. Comments for CVE-2021-32543

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