CVE-2026-13020

HIGH

Weak Password Recovery Mechanism in Portal for ArcGIS

Title source: cna

Description

A Weak Password Recovery Mechanism for Forgotten Password exists in Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes. A remote, unauthorized attacker may assume ownership of a user’s account by manipulating this mechanism. ArcGIS Administrators should configure an email server with ArcGIS Enterprise to facilitate user self-service password recovery. The ability for an administrator to reset a user’s password remains unchanged.

References (1)

Core 1

Core References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/june-2026-arcgis-security-bulletin

Scores

CVSS v3 8.1

EPSS 0.0023

EPSS Percentile 14.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-640

Status published

Products (2)

Esri/Portal for ArcGIS < 12.1

esri/portal_for_arcgis < 12.1

Published Jul 07, 2026

Tracked Since Jul 07, 2026