CVE-2020-10185 describes a vulnerability in the sync endpoint of YubiKey Validation Server versions prior to 2.40, allowing remote attackers to replay a one-time password (OTP). This issue primarily impacts self-hosted OTP validation services utilizing non-default configurations, such as an open sync pool, and does not affect YubiCloud. With a CVSS score of 8.6 (High), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to limited confidentiality and integrity impacts, but significant availability impact. There is currently no public exploit code available, nor any indication of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.40CPE matchmatch criteria | cpe:2.3:a:yubico:yubikey_one_time_password_validation_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.