CVE-2021-40818
Critical
Description
scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.
SeverityCritical
CVSS9.8
Exploit probability—
ProductGlewlwyd Sso Server
PublishedSep 8, 2021
First seenSep 8, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| glewlwyd_sso_server_project glewlwyd_sso_server | v ≤ 2.5.3 | — |
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