CVE-2020-10185
High
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductYubico Yubikey One Time Password Validation Server
PublishedMar 5, 2020
First seenMar 5, 2020
How to fix
Update
- yubico yubikey_one_time_password_validation_server2.40 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yubico yubikey_one_time_password_validation_server | v < 2.40 | 2.40 |
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