CVE-2020-10185
Last modified
CVE-2020-10185 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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 estimates a 1.45% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yubico | Yubikey One Time Password Validation Server | < 2.40 |
References
- https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40Release Notes, Third Party Advisory
- https://www.yubico.com/support/security-advisories/ysa-2020-01/Exploit, Vendor Advisory
- https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40Release Notes, Third Party Advisory
- https://www.yubico.com/support/security-advisories/ysa-2020-01/Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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