Use After Free in Esri Arcgis Desktop
CVE-2021-29096
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Esri Arcgis Desktop — versions All
- Esri Arcgis Desktop Background Geoprocessing — versions All
- Esri Arcgis Engine — versions All
- Esri Arcgis Engine
- Esri Arcgis Engine Background Geoprocessing — versions All
- Esri Arcgis Pro
- Esri Arcmap
- Esri Arcreader — versions All
Weakness classification (CWE)
References
- www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-gener… (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-370/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29096?
- CVE-2021-29096 is a high-severity vulnerability in Esri Arcgis Desktop, classified under Use After Free. CVSS score: 7.8/10. Published 2021-03-25.
- How severe is CVE-2021-29096?
- High severity. CVSS v3 base score is 7.8 out of 10.