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Vulnerability record · CVE-2014-2140 · published 12 April 2014

CVE-2014-2140: Cisco ons 15454 system software vulnerability

Cisco · Cisco Ons 15454 System Software

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.

5.0 CVSS 2.0 Medium EPSS 1.8% · top 22.2%
5.0CVSS 2.0 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2140 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=33680 Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2140 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=33680 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.1CVE-2013-6703Cisco ons 15454 improper input validation vulnerabilityThe TLS/SSLv3 module on Cisco ONS 15454 controller cards allows remote attackers to cause a denial of service (card reset) via crafted (1) TLS or (2)…EPSS 1.3%5.0CVE-2014-2139Cisco ons 15454 system software vulnerabilityCisco ONS 15454 controller cards with software 9.6 and earlier allow remote attackers to cause a denial of service (flash write outage) via a TCP FIN…EPSS 1.8%5.0CVE-2014-2142Cisco ons 15454 system software vulnerabilityCisco ONS 15454 controller cards with software 10.0 and earlier allow remote attackers to cause a denial of service (card reload) via a crafted HTTP …EPSS 1.8%5.0CVE-2013-6701Cisco ons 15454 system software improper input validation vulnerabilityThe tNetTaskLimit process on the Transport Node Controller (TNC) on Cisco ONS 15454 devices with software 9.6 and earlier does not properly prioritiz…EPSS 1.9%4.3CVE-2013-6702Cisco ons 15454 firmware improper input validation vulnerabilityThe management implementation on Cisco ONS 15454 controller cards with software 9.8 and earlier allows remote attackers to cause a denial of service …EPSS 1.9%4.0CVE-2014-2141Cisco ons 15454 system software memory buffer overflow vulnerabilityThe session-termination functionality on Cisco ONS 15454 controller cards with software 9.6 and earlier does not initialize an unspecified pointer, w…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2014-2140), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.