CVE-2021-29096 json
ArcGIS general raster security update: use-after-free
published 2021-03-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15737
- cvss
- 7.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.
Patch / fix
- Esri ArcReader 10.9.0
- Esri ArcGIS Desktop 10.9.0
- Esri ArcGIS Engine 10.9.0
- Esri ArcGIS Desktop Background Geoprocessing 10.9.0
- Esri ArcGIS Engine Background Geoprocessing 10.9.0
Exploit prediction
1.58% chance of exploitation in the next 30 days, higher than 75% 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 |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Esri ArcReader
- Esri ArcGIS Desktop
- Esri ArcGIS Engine
- Esri ArcGIS Desktop Background Geoprocessing
- Esri ArcGIS Engine Background Geoprocessing
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
esri.com
/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-370/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-29096
- NVD CVE-2021-29096
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.