What’s Vulnerable › Vulnerabilities

CVE-2021-29117: arcreader use-after-free

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-12 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• Esri ArcReader: through 10.8.1

References

• https://www.esri.com/arcgis-blog/products/arcgis-desktop/administration/arcreader-general-data-frame-security-update/
• https://www.esri.com/arcgis-blog/products/arcgis-desktop/administration/arcreader-general-data-frame-security-update/

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