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-2014-3971

15
FAUCET Score

CVE-2014-3971 is a denial-of-service vulnerability affecting MongoDB 2.6.x before 2.6.2, specifically within the CmdAuthenticate::_authenticateX509 function. An unauthenticated remote attacker can crash the mongod daemon by attempting authentication with an invalid X.509 client certificate. This vulnerability has a CVSS score of 5.0, indicating a medium severity due to its network-based attack vector and potential for service disruption. There is no known active exploitation, publicly available exploit code, or Metasploit/Nuclei modules, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:a:mongodb:mongodb:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:a:mongodb:mongodb:2.6.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.46%
Probability of exploitation in next 30 days
EPSS Percentile
70.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0146 is in the 53rd percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / mongodb/mongo/commit/c151e0660b9736fe66b224f1129a16871165251b
jira.mongodb.org / browse/SERVER-13753
Vendor Advisory