Authentication bypass in Esri ArcGIS server



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-2538
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ArcGIS
Universal components / Libraries / Software for developers

Vendor ESRI

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper authentication

EUVDB-ID: #VU106290

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-2538

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ArcGIS: 10.9.1 - 11.4

CPE2.3 External links

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis-security-2025-update-1-patch/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###