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TI-2021-09980 Aliases CVE-2021-29093GHSA-9rmq-v4f7-rgqg

ArcGIS Server image service and raster analytics security update: use-after-free

Priority LOW 32CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability 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.

Why it matters now

EPSS 0.00982 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
EsriArcGIS ServerAll – 10.9—No fix listedCNA
  • ArcGIS Server VendorEsri Affected All – 10.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*up to 10.8.1VulnerableEsri
  • cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:* Versions up to 10.8.1 Vulnerable ·Esri

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29093
  2. 2026-10-03 Alias added: GHSA-9rmq-v4f7-rgqg

References

Advisory 1

  • TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0
  • TI-2021-10000 SQL injection vulnerability in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2021-09989 There is a Server-Side Request Forgery (SSRF) vulnerability in Esri ArcGIS Server Manager version 10.8.1 and below. CVSS 3.1CRITICAL 9.1
  • TI-2026-08071 Unvalidated File Upload vulnerability in ArcGIS Server. CVSS 3.1CRITICAL 9.8
  • TI-2020-18172 Esri ArcGIS Server before 10.8 is vulnerable to SSRF in some configurations. CVSS 3.1CRITICAL 9.8
See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences