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9.8
CVSSv3

CVE-2021-40818

Published: 08/09/2021 Updated: 15/09/2021
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

scheme/webauthn.c in Glewlwyd SSO server up to and including 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.

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glewlwyd sso server project glewlwyd sso server

References

CWE-120https://bugs.debian.org/993867https://github.com/babelouest/glewlwyd/commit/0efd112bb62f566877750ad62ee828bff579b4e2https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4644unprivilegedCVE-2024-3494CVE-2024-22460CVE-2024-26026CVE-2024-23473firewallCVE-2024-28889XML external entity
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