PT-2021-18096 · Esri · Esri Portal For Arcgis

Published 2021-10-01 · Updated 2023-09-14 · CVE-2021-29108

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Esri Portal for ArcGIS versions 10.9 and below

Description: The issue allows a remote, authenticated attacker who is able to intercept and modify a SAML assertion to impersonate another account through an XML Signature Wrapping Attack. It is recommended as a best practice for SAML assertions to be signed and encrypted.

Recommendations: For Esri Portal for ArcGIS versions 10.9 and below, apply the recommended patch and ensure SAML assertions are signed and encrypted as a best practice to mitigate the issue.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2021-29108

Affected Products

Esri Portal For Arcgis

References · 5

• https://esri.com/arcgis-blog/products/arcgis-enterprise/administration/Portal-for-ArcGIS-Security-2021-Update-1-Patch · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29108 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29108 · Vendor Advisory
• https://t.me/cibsecurity/29805 · Telegram Post
• https://downloads.esri.com/RESOURCES/ENTERPRISEGIS/Organization-Specific_Logins_FAQs.pdf · Note