What is CVE-2023-25829?

CVE-2023-25829 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-05-09.

How severe is CVE-2023-25829?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Esri Portal For Arcgis

CVE-2023-25829

There is an unvalidated redirect vulnerability in Esri Portal for ArcGIS 11.0 and below that may allow a remote, unauthenticated attacker to craft a URL that could redirect a victim to an arbitrary website, simplifying phishing attacks.

Vulnerability class: Open Redirect

Published 2023-05-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Esri Portal For Arcgis — versions all
Esri Portal For Arcgis — versions 10.9.1, 11.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis… (Vendor Advisory)
support.esri.com/en-us/patches-updates/2023/portal-for-arcgis-security-2023-upd… (Release Notes)

Frequently asked questions

What is CVE-2023-25829?: CVE-2023-25829 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-05-09.
How severe is CVE-2023-25829?: Medium severity. CVSS v3 base score is 6.1 out of 10.