How severe is CVE-2018-1078?

CVE-2018-1078 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1078?

CVE-2018-1078 primarily affects Opendaylight Openflow. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1078?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-1078 published?

CVE-2018-1078 was published on 2018-03-16 and last updated on 2026-06-17.

CVE-2018-1078

CVE-2018-1078 is a critical-severity vulnerability in Opendaylight Openflow with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Opendaylight Openflow
Published: 2018-03-16
Last modified: 2026-06-17

Description

OpenDayLight version Carbon SR3 and earlier contain a vulnerability during node reconciliation that can result in traffic flows that should be expired or should expire shortly being re-installed and their timers reset resulting in traffic being allowed that should be expired.

Frequently asked questions

What is CVE-2018-1078?: OpenDayLight version Carbon SR3 and earlier contain a vulnerability during node reconciliation that can result in traffic flows that should be expired or should expire shortly being re-installed and their timers reset resulting in traffic being allowed that should be expired.
How severe is CVE-2018-1078?: CVE-2018-1078 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1078?: CVE-2018-1078 primarily affects Opendaylight Openflow. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1078?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-1078 published?: CVE-2018-1078 was published on 2018-03-16 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:opendaylight:openflow:*:*:*:*:*:opendaylight:*:*
cpe:2.3:a:opendaylight:openflow:sp1:*:*:*:*:opendaylight:*:*
cpe:2.3:a:opendaylight:openflow:sp2:*:*:*:*:opendaylight:*:*
cpe:2.3:a:opendaylight:openflow:sp3:*:*:*:*:opendaylight:*:*

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