CVE-2014-9377

Heap-based buffer overflow in the nbns_spoof function in plug-ins/nbns_spoof/nbns_spoof.c in Ettercap 0.8.1 allows remote attackers to cause a denial of service or possibly execute arbitrary code via a large netbios packet.

Published: 2014-12-19 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-9377 is rated Moderate Risk (58.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.79%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-9377

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-10 3.88% 2.79% -1.10%
2 2025-03-30 3.84% 3.88% +0.04%
3 2025-03-29 3.84%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-9377

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2014-9377

OS Trackers for CVE-2014-9377

vendor priority summary link
debian not yet assigned CVE-2014-9377 not yet assigned priority: Debian including 1 source packages (ettercap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-9377
gentoo normal CVE-2014-9377: 1 GLSA(s) (201505-01), 1 atom(s) (net-analyzer/ettercap); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-9377
ubuntu medium CVE-2014-9377 medium priority: Ubuntu including 1 source packages (ettercap), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2014-9377

Affected software / configurations for CVE-2014-9377

Vendor Product Version Raw CPE
ettercap-project ettercap 0.8.1 cpe:2.3:a:ettercap-project:ettercap:0.8.1:*:*:*:*:*:*:*

References for CVE-2014-9377

cvelogic Threat Intelligence