What is CVE-2025-57879?

CVE-2025-57879 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 2025-09-29.

How severe is CVE-2025-57879?

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

Is CVE-2025-57879 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Esri Portal For Arcgis

CVE-2025-57879

There is an unvalidated redirect vulnerability in Esri Portal for ArcGIS 11.4 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

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

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.

Affected products

Esri Portal For Arcgis — versions 10.9.1

Weakness classification (CWE)

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

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis…

Frequently asked questions

What is CVE-2025-57879?: CVE-2025-57879 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 2025-09-29.
How severe is CVE-2025-57879?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-57879 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.