ArcGIS Server image service and raster analytics security update: buffer overflow

published 2021-03-25 5y ago modified 2026-06-17 4mo ago also EUVD-2021-15735

cvss: 6.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Multiple buffer overflow vulnerabilities when parsing a specially crafted file in Esri ArcGIS Server 10.8.1 (and earlier) allows an authenticated attacker with specialized permissions to achieve arbitrary code execution in the context of the service account.

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Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.4	CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	6.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.0	AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

Esri ArcGIS Server

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

esri.com /arcgis-blog/products/arcgis-enterprise/administration/security-advisory-server-image
vendor-advisory

Sources

CVE List CVE-2021-29094
NVD CVE-2021-29094

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