ArcGIS GeoEvent Server has a Directory Traversal security vulnerability.

published 2021-05-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15742

cvss: 8.6; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

ArcGIS GeoEvent Server versions 10.8.1 and below has a read-only directory path traversal vulnerability that could allow an unauthenticated, remote attacker to perform directory traversal attacks and read arbitrary files on the system.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-10)

Exploit prediction

2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.6	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Esri ArcGIS GeoEvent Server

Classification

Weakness

CWE-23 Relative Path Traversal
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

esri.com /arcgis-blog/products/ext-server-geoevent/administration/arcgis-geoevent-server-security-update-2021-patch-1
third-party-advisory

Sources

CVE List CVE-2021-29101
NVD CVE-2021-29101

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Summary