{"cve":"CVE-2021-35243","nvd":{"published":"2021-12-23T20:15:11.480","modified":"2026-06-17T03:57:22.277","status":"Modified","description":"The HTTP PUT and DELETE methods were enabled in the Web Help Desk web server (12.7.7 and earlier), allowing users to execute dangerous HTTP requests. The HTTP PUT method is normally used to upload data that is saved on the server with a user-supplied URL. While the DELETE method requests that the origin server removes the association between the target resource and its current functionality. Improper use of these methods may lead to a loss of integrity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-749"],"references":["https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-7-Hotfix-1-Release-Notes?language=en_US","https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35243","https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-7-Hotfix-1-Release-Notes?language=en_US","https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35243"],"products":["solarwinds:web_help_desk"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-35243","score":0.0093,"percentile":0.60611,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}