Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-10184

19
FAUCET Score

CVE-2020-10184 describes a SQL injection vulnerability in the verify endpoint of YubiKey Validation Server versions prior to 2.40, which does not properly validate SQL query lengths. This flaw allows unauthenticated remote attackers to trigger a denial of service (DoS) condition. The vulnerability carries a CVSSv3 score of 7.5 (High) due to its network-based attack vector, low attack complexity, and high impact on availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations self-hosting OTP validation services should prioritize patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.40CPE matchmatch criteria
cpe:2.3:a:yubico:yubikey_one_time_password_validation_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 53rd percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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.

Media 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

Remediation records are not available for this CVE.

References

github.com / Yubico/yubikey-val/releases/tag/yubikey-val-2.40
Release NotesThird Party Advisory
lists.debian.org / debian-lts-announce/2020/03/msg00014.html
yubico.com / support/security-advisories/ysa-2020-01
ExploitVendor Advisory