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CVE-2021-29108— There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below.

Quick assessment

Affected
Esri Portal for ArcGIS
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.

Esri Portal For ArcGIS是美国环境系统研究所（Esri）公司的一种允许在组织内与其他人共享地图、场景、应用程序和其他地理信息的组件。 Esri Portal For ArcGIS 10.9 及之前版本存在数据伪造问题漏洞，该漏洞可允许远程的、经过身份验证的攻击者利用该漏洞冒充另一个帐户。

CVSS 8.8 · High EPSS 0.81% · P56
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I. Basic Information for CVE-2021-29108

Vulnerability Information
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Vulnerability Title
There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below.
Source: CVE Program / CVE List V5
Vulnerability Description
There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below that may allow a remote, authenticated attacker who is able to intercept and modify a SAML assertion to impersonate another account (XML Signature Wrapping Attack). In addition patching, Esri also strongly recommends as best practice for SAML assertions to be signed and encrypted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Esri Portal For ArcGIS 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Esri Portal For ArcGIS是美国环境系统研究所（Esri）公司的一种允许在组织内与其他人共享地图、场景、应用程序和其他地理信息的组件。 Esri Portal For ArcGIS 10.9 及之前版本存在数据伪造问题漏洞，该漏洞可允许远程的、经过身份验证的攻击者利用该漏洞冒充另一个帐户。
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
Esri Portal for ArcGIS 10.9.0 ~ <10.9.0 -

II. Public POCs for CVE-2021-29108

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III. Intelligence Information for CVE-2021-29108

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Other References for CVE-2021-29108 (2)

Same Patch Batch · Esri · 2021-10-01 · 3 CVEs total

CVE-2021-29110 Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unaut
CVE-2021-29109 A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9.

IV. Related Vulnerabilities

Same product: Portal for ArcGIS
Same vendor: Esri
Same weakness: CWE-347

V. Comments for CVE-2021-29108

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