How severe is CVE-2014-2140?

CVE-2014-2140 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-2140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2140?

CVE-2014-2140 primarily affects Cisco Cisco Ons 15454 System Software. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-2140 published?

CVE-2014-2140 was published on 2014-04-12 and last updated on 2026-06-17.

CVE-2014-2140

CVE-2014-2140 is a medium-severity vulnerability in Cisco Cisco Ons 15454 System Software with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Cisco Ons 15454 System Software
Published: 2014-04-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-2140?: CVE-2014-2140 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-2140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2140?: CVE-2014-2140 primarily affects Cisco Cisco Ons 15454 System Software. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2140 published?: CVE-2014-2140 was published on 2014-04-12 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:cisco:cisco_ons_15454_system_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.4:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ons_15454:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Cisco Ons 15454 System Software

CVE-2014-2142 — Medium (CVSS 5.0): Cisco ONS 15454 controller cards with software 10.0 and earlier allow remote attackers to cause a denial of service…
CVE-2014-2139 — Medium (CVSS 5.0): Cisco ONS 15454 controller cards with software 9.6 and earlier allow remote attackers to cause a denial of service…
CVE-2013-6701 — Medium (CVSS 5.0): The tNetTaskLimit process on the Transport Node Controller (TNC) on Cisco ONS 15454 devices with software 9.6 and…
CVE-2014-2141 — Medium (CVSS 4.0): The session-termination functionality on Cisco ONS 15454 controller cards with software 9.6 and earlier does not…

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