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.

References

https://www.yubico.com/support/security-advisories/ysa-2020-01/

https://lists.debian.org/debian-lts-announce/2020/03/msg00014.html

https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40

Details

Source: Mitre, NVD

Published: 2020-03-05

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Severity: High