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-2014-0021

25
FAUCET Score

CVE-2014-0021 describes a traffic amplification vulnerability in Chrony versions prior to 1.29.1, affecting various Chrony project distributions and Debian/Fedora packages. This high-severity vulnerability (CVSS 7.5) allows unauthenticated attackers to remotely cause a denial of service (DoS) with low attack complexity. Despite its potential for significant impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.29CPE matchmatch criteria
cpe:2.3:a:chrony_project:chrony:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
19CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*

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
3.80%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0380 is in the 80th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Vendor Patches (1)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: chrony

Vendor Advisories (1)

redhatCVE-2014-0021Low

chrony: DDoS via amplification in cmdmon protocol

Jan 16, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-February/127837.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2014-February/128753.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/90925
Third Party AdvisoryVDB Entry
security-tracker.debian.org / tracker/CVE-2014-0021
Third Party Advisory
openwall.com / lists/oss-security/2014/01/17/9
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/01/18/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/01/18/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/01/18/3
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/01/19/1
Mailing ListThird Party Advisory
securityfocus.com / bid/65035
Third Party AdvisoryVDB Entry