Vulnerability in Yubico Yubikey One Time Password Validation Server
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 validation service with a non-default configuration such as an open sync pool; the issue does NOT affect YubiCloud.
EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
- Yubico Yubikey_one_time_password_validation_server
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-10185?
- CVE-2020-10185 is a high-severity vulnerability in Yubico Yubikey One Time Password Validation Server, classified under Authentication Bypass by Capture-replay. CVSS score: 8.6/10. Published 2020-03-05.
- How severe is CVE-2020-10185?
- High severity. CVSS v3 base score is 8.6 out of 10.