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CVE-2021-21437— Config Items are shown to users without permission

Quick assessment

Affected
OTRS AG OTRSCIsInCustomerFrontend
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.

OTRS AG OTRSCIsInCustomerFrontend是美国OTRS公司的一个管理系统。提供了现代，灵活的票证和流程管理服务。 OTRSCIsInCustomerFrontend 存在安全漏洞，该漏洞源于在没有权限的情况下查看链接的配置项，这些配置项在通用目录中定义。

CVSS 3.5 · Low EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-21437

Vulnerability Information
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Vulnerability Title
Config Items are shown to users without permission
Source: CVE Program / CVE List V5
Vulnerability Description
Agents are able to see linked Config Items without permissions, which are defined in General Catalog. This issue affects: OTRSCIsInCustomerFrontend 7.0.15 and prior versions, ITSMConfigurationManagement 7.0.24 and prior versions
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
OTRS AG OTRSCIsInCustomerFrontend 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OTRS AG OTRSCIsInCustomerFrontend是美国OTRS公司的一个管理系统。提供了现代，灵活的票证和流程管理服务。 OTRSCIsInCustomerFrontend 存在安全漏洞，该漏洞源于在没有权限的情况下查看链接的配置项，这些配置项在通用目录中定义。
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
OTRS AG OTRSCIsInCustomerFrontend 7.0.x ~ 7.0.15 -
OTRS AG ITSMConfigurationManagement 7.0.x ~ 7.0.24 -

II. Public POCs for CVE-2021-21437

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III. Intelligence Information for CVE-2021-21437

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Other References for CVE-2021-21437 (1)

IV. Related Vulnerabilities

Same product: OTRSCIsInCustomerFrontend
Same vendor: OTRS AG
Same weakness: CWE-264

V. Comments for CVE-2021-21437

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