CVE-2021-35222 json
Resource.aspx Reflected Cross-Site Scripting Vulnerability
published 5y ago modified 4mo ago also EUVD-2021-21865
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
This vulnerability allows attackers to impersonate users and perform arbitrary actions leading to a Remote Code Execution (RCE) from the Alerts Settings page.
Patch / fix
- SolarWinds Orion Platform 2020.2.6 HF1
Is CVE-2021-35222 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L |
| NVD | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- SolarWinds Orion Platform
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.solarwinds.com
/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US
patch, vendor-advisory
-
support.solarwinds.com
/SuccessCenter/s/article/Mitigate-the-Resource-aspx-Reflected-Cross-Site-Scripting-Vulnerability-CVE-2021-3522
mitigation, patch, vendor-advisory
-
documentation.solarwinds.com
/en/success_center/orionplatform/content/core-secure-configuration.htm
vendor-advisory
-
solarwinds.com
/trust-center/security-advisories/cve-2021-35222
vendor-advisory
Sources
- CVE List CVE-2021-35222
- NVD CVE-2021-35222
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.