CVE-2021-35228Reflected cross site scripting affecting SolarWinds: DPA 2021.3.7388
- 5.5MediumCVSS base score
- 0.58%Exploitation in 30 daysEPSS · top 52% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
This vulnerability occurred due to missing input sanitization for one of the output fields that is extracted from headers on specific section of page causing a reflective cross site scripting attack. An attacker would need to perform a Man in the Middle attack in order to change header for a remote victim.
Timeline
ID reserved
By SolarWinds
- 4 months later
· 4 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SolarWindsCNA (assigner) | 3.1 | Medium5.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium4.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.58% · top 52% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected DPA 2021.3.7388 – < 2021.3.7388
What to do
Solution: SolarWinds recommends upgrading to the latest version of the DPA as soon as it becomes available.
References
References2
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35228 (opens in a new tab)x_refsource_MISCx_transferred
- https://documentation.solarwinds.com/en/success_center/dpa/content/release_notes/dpa_2021-3-7438_release_notes.htm (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-21871 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-35228)Record last updated .