SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-29102

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…

CRITICAL 9.1EPSS 1.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
1.58% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-918
Affected
esri/arcgis server
Source
psirt@esri.com
EPSS trend
0%3%5%26 October 2026: 1.58%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.