VULNERABILITY INTELLIGENCE

CVE-2021-29108

CVSS score8.8 HIGH
EPSS probability0.81%
CISA KEVNot currently listed
Published2021-10-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • psirt@esri.com: CWE-347
  • nvd@nist.gov: CWE-347

Primary references