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

What is CVE-2021-35222?

CVE-2021-35222 is a high-severity cross-site scripting vulnerability in SolarWinds Orion Platform, published on 31 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-79

Which versions are affected by CVE-2021-35222?

It affects 1 product.

Products include Solarwinds Orion Platform.

How do I fix CVE-2021-35222?

No fix has been published for CVE-2021-35222 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-35222 being exploited?

There is no known exploitation of CVE-2021-35222 in the wild and no public exploit code.

Other vulnerabilities in SolarWinds Orion Platform

• CVE-2020-10148 SolarWinds Orion Authentication Bypass Exploited Critical 9.8
• CVE-2021-27258 Privilege escalation in Orion Platform Critical 9.8
• CVE-2021-25274 Deserialization in n/a Critical 9.8
• CVE-2019-9546 Privilege escalation in n/a Critical 9.8
• CVE-2020-13169 Cross-site scripting in n/a Critical 9.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gxq2-v4pr-j3v6.