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CVE-2023-4501— Authentication bypass in OpenText (Micro Focus) Enterprise Server

Quick assessment

Affected
OpenText Visual COBOL, COBOL Server, Enterprise Developer, Enterprise Server
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.

OpenText Visual COBOL是OpenText公司的一种集成开发环境（IDE），旨在支持 COBOL 编程语言的开发和维护。 OpenText Visual COBOL和COBOL Server存在安全漏洞，该漏洞源于使用用户名和密码凭据进行用户身份验证时，无论密码是否正确，任何有效的用户名身份验证都会成功，这使得有权访问该产品的攻击者可以冒充任何用户。

CVSS 9.8 · Critical EPSS 0.76% · P53

Affected Version Matrix 3

VendorProduct Version RangeStatus
OpenText Visual COBOL, COBOL Server, Enterprise Developer, Enterprise Server 7.0.19< 7.0.21 affected
8.0.8< 8.0.10 affected
9.0.1< 9.0.2 affected
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I. Basic Information for CVE-2023-4501

Vulnerability Information
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Vulnerability Title
Authentication bypass in OpenText (Micro Focus) Enterprise Server
Source: CVE Program / CVE List V5
Vulnerability Description
User authentication with username and password credentials is ineffective in OpenText (Micro Focus) Visual COBOL, COBOL Server, Enterprise Developer, and Enterprise Server (including product variants such as Enterprise Test Server), versions 7.0 patch updates 19 and 20, 8.0 patch updates 8 and 9, and 9.0 patch update 1, when LDAP-based authentication is used with certain configurations. When the vulnerability is active, authentication succeeds with any valid username, regardless of whether the password is correct; it may also succeed with an invalid username (and any password). This allows an attacker with access to the product to impersonate any user. Mitigations: The issue is corrected in the upcoming patch update for each affected product. Product overlays and workaround instructions are available through OpenText Support. The vulnerable configurations are believed to be uncommon. Administrators can test for the vulnerability in their installations by attempting to sign on to a Visual COBOL or Enterprise Server component such as ESCWA using a valid username and incorrect password.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenText Visual COBOL 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenText Visual COBOL是OpenText公司的一种集成开发环境（IDE），旨在支持 COBOL 编程语言的开发和维护。 OpenText Visual COBOL和COBOL Server存在安全漏洞，该漏洞源于使用用户名和密码凭据进行用户身份验证时，无论密码是否正确，任何有效的用户名身份验证都会成功，这使得有权访问该产品的攻击者可以冒充任何用户。
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
OpenText Visual COBOL, COBOL Server, Enterprise Developer, Enterprise Server 7.0.19 ~ 7.0.21 -

II. Public POCs for CVE-2023-4501

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III. Intelligence Information for CVE-2023-4501

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Other References for CVE-2023-4501 (1)

IV. Related Vulnerabilities

Same vendor: OpenText
Same weakness: CWE-287

V. Comments for CVE-2023-4501

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