CVE-2021-29102 There is a Server-Side Request Forgery (SSRF) vulnerability in Esri ArcGIS Server Manager version 10.8.1 and below.

Critical 9.1 Published 11 Jul 2021 Updated 10 Apr 2025

Remote unauthenticated attackers can forge GET requests to arbitrary URLs, enabling network enumeration and facilitating further attacks against ArcGIS Server Manager.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-29102?

CVE-2021-29102 is a critical server-side request forgery vulnerability in Esri Arcgis Server, published on 11 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Server-Side Request Forgery (SSRF) vulnerability in ArcGIS Server Manager version 10.8.1 and below may allow a remote, unauthenticated attacker to forge GET requests to arbitrary URLs from the system, potentially leading to network enumeration or facilitating other attacks.

Weakness: CWE-918

Which versions are affected by CVE-2021-29102?

It affects 1 product.

Products include Esri Arcgis Server.

How do I fix CVE-2021-29102?

No fix has been published for CVE-2021-29102 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-29102 being exploited?

There is no known exploitation of CVE-2021-29102 in the wild and no public exploit code.

All Esri Arcgis Server vulnerabilities

Sources

Also known as GHSA-hjmx-9q6q-qmpx.