CVE-2020-18684
CVE-2020-18684 is a critical-severity vulnerability in Atlassian Floodlight 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-190.
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-190
- Affected product: Atlassian Floodlight
- Published:
- Last modified:
Description
Floodlight through 1.2 has an integer overflow in checkFlow in StaticFlowEntryPusherResource.java via priority or port number.
Frequently asked questions
- What is CVE-2020-18684?
- Floodlight through 1.2 has an integer overflow in checkFlow in StaticFlowEntryPusherResource.java via priority or port number.
- How severe is CVE-2020-18684?
- CVE-2020-18684 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-2020-18684 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-2020-18684?
- CVE-2020-18684 affects Atlassian Floodlight. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18684?
- 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-2020-18684 published?
- CVE-2020-18684 was published on 2021-09-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:atlassian:floodlight:*:*:*:*:*:*:*:*
More vulnerabilities in Atlassian Floodlight
- CVE-2020-18685 — Critical (CVSS 9.8): Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of…
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