High severity · published Mar 5, 2020
CVE-2020-10184
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…
7.5
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YO
Yubikey One Time Password Validation Server · Yubico
before 2.40 · source: NVD
Affected product
YO
Yubikey One Time Password Validation Server
Yubico
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10184
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10184
Release Notes
https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/03/msg00014.html
Exploit
https://www.yubico.com/support/security-advisories/ysa-2020-01/
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