How severe is CVE-2018-1000617?

CVE-2018-1000617 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-1000617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000617?

CVE-2018-1000617 affects Atlassian Floodlight Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000617?

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

When was CVE-2018-1000617 published?

CVE-2018-1000617 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-1000617

CVE-2018-1000617 is a high-severity vulnerability in Atlassian Floodlight Controller with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Atlassian Floodlight Controller
Published: 2018-07-09
Last modified: 2026-06-17

Description

Atlassian Floodlight Atlassian Floodlight Controller version 1.2 and earlier versions contains a Denial of Service vulnerability in Forwarding module that can result in Improper type cast in Forwarding module allows remote attackers to cause a DoS(thread crash).. This attack appear to be exploitable via network connectivity (Remote attack).

Frequently asked questions

What is CVE-2018-1000617?: Atlassian Floodlight Atlassian Floodlight Controller version 1.2 and earlier versions contains a Denial of Service vulnerability in Forwarding module that can result in Improper type cast in Forwarding module allows remote attackers to cause a DoS(thread crash).. This attack appear to be exploitable via network connectivity (Remote attack).
How severe is CVE-2018-1000617?: CVE-2018-1000617 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-1000617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000617?: CVE-2018-1000617 affects Atlassian Floodlight Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000617 published?: CVE-2018-1000617 was published on 2018-07-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:atlassian:floodlight_controller:*:*:*:*:*:*:*:*

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