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-2014-9403

14
FAUCET Score

CVE-2014-9403 describes a denial-of-service vulnerability in ZNC before version 1.4, specifically within the CWebAdminMod::ChanPage function. An authenticated attacker can trigger a NULL pointer dereference and crash by adding a channel with a name similar to an existing one but missing the leading '#' character, exploiting a use-after-delete error. This vulnerability has a CVSS score of 4.0, indicating a low severity with network access, low attack complexity, requiring authentication, and resulting in partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2CPE matchmatch criteria
cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.16%
Probability of exploitation in next 30 days
EPSS Percentile
80.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0216 is in the 92nd percentile among its peer group of 21,974 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 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

advisories.mageia.org / MGASA-2014-0543.html
secunia.com / advisories/57795
github.com / znc/znc/blob/master/ChangeLog.md
github.com / znc/znc/issues/528
Vendor Advisory
mandriva.com / security/advisories
openwall.com / lists/oss-security/2014/12/18/2
securityfocus.com / bid/66926