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CVE-2020-10185 The sync endpoint in YubiKey Validation Server before 2.40 allows remote attackers to replay an OTP. NOTE: this issue is potentially relevant to persons outside Yubico who operate a self-hosted OTP va...

HighCVSS 8.6 EPSS 1.7%
Published
Updated
Exploit status
No public exploit known

Description

The sync endpoint in YubiKey Validation Server before 2.40 allows remote attackers 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.

Affected products

ProductAffected versionsFixed in
Yubico yubikey one time password validation server < 2.40 2.40

References