CVEvulnerability
CVE-2020-10184
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-03-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-89
Description
The verify endpoint in YubiKey Validation Server before 2.40 does not check the length of SQL queries, which allows remote attackers to cause a denial of service, aka SQL injection. NOTE: this issue is potentially relevant to persons outside Yubico who operate a self-hosted OTP validation service; the issue does NOT affect YubiCloud.
Affected configurations
• yubico yubikey one time password validation server (< 2.40)
Related
Weakness · CWE (1)
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command weakness
References
- https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00014.html lists.debian.org
- https://www.yubico.com/support/security-advisories/ysa-2020-01/ Exploit, Vendor Advisory
- https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00014.html lists.debian.org
- https://www.yubico.com/support/security-advisories/ysa-2020-01/ Exploit, Vendor Advisory