arcreader use-after-free

published 2022-08-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15758

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader 10.8.1 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

Patch / fix

fixed in 1

Esri ArcReader 10.8.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-10)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Esri ArcReader

Classification

Weakness

CWE-416 Use After Free

References

esri.com /arcgis-blog/products/arcgis-desktop/administration/arcreader-general-data-frame-security-update/
vendor-advisory

Sources

CVE List CVE-2021-29117
NVD CVE-2021-29117

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Summary