6.8
CVSSv2

CVE-2020-10185

Published: 05/03/2020 Updated: 12/03/2020
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.6 | Impact Score: 4.7 | Exploitability Score: 3.9
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

The sync endpoint in YubiKey Validation Server prior to 2.40 allows remote malicious users to replay an OTP. NOTE: this issue is potentially relevant to persons outside Yubico who operate a self-hosted OTP validation service with a non-default configuration such as an open sync pool; the issue does NOT affect YubiCloud.

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yubico yubikey one time password validation server