cve.bz

CVE-2020-10185

8.6 highEPSS 1.7%

High (8.6) in yubico yubikey one time password validation server. EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.6 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS
1.7% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE
CWE-294
Published
Modified
Record from
the NVD, synced

Affected

References

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