CVE-2021-35254
SolarWinds received a report of a vulnerability related to an input that was not sanitized in WebHelpDesk.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
SolarWinds received a report of a vulnerability related to an input that was not sanitized in WebHelpDesk. SolarWinds has removed this input field to prevent the misuse of this input in the future.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.01% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- solarwinds/webhelpdesk
- Source
- psirt@solarwinds.com
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-8-Hotfix-1-Release-Notes?language=en_USMitigation, Release Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35254Patch, Vendor Advisory
- https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-8-Hotfix-1-Release-Notes?language=en_USMitigation, Release Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35254Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.