CVE-2014-2140

Cisco ONS 15454 controller cards with software 9.6 and earlier allow remote attackers to cause a denial of service (card reset) via a TCP FIN attack that triggers file-descriptor exhaustion and a failure to open a CAL pipe, aka Bug ID CSCug97348.

Published: 2014-04-12 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-2140 is rated Moderate Risk (47.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.80%). EPSS rose +1.39% over the last day, indicating growing attacker interest. 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-2014-2140

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 2026-06-15 0.41% 1.80% +1.39%
2 2026-05-13 0.23% 0.41% +0.18%
3 2026-05-11 — 0.23% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2140

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-2140

Affected software / configurations for CVE-2014-2140

Vendor Product Version Raw CPE
cisco cisco_ons_15454_system_software <= 9.6 cpe:2.3:o:cisco:cisco_ons_15454_system_software:*:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.0 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.0:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.1 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.1:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2.1 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.1:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2.2 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.2:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.3 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.3:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.4 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.4:*:*:*:*:*:*:*
cisco ons_15454 — cpe:2.3:h:cisco:ons_15454:*:*:*:*:*:*:*:*

References for CVE-2014-2140

cvelogic Threat Intelligence