How severe is CVE-2018-1999020?

CVE-2018-1999020 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-1999020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999020?

CVE-2018-1999020 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999020?

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

When was CVE-2018-1999020 published?

CVE-2018-1999020 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-1999020

CVE-2018-1999020 is a medium-severity vulnerability in Opennetworking Onos with a CVSS 3.x base score of 5.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Opennetworking Onos
Published: 2018-07-23
Last modified: 2026-06-17

Description

Open Networking Foundation (ONF) ONOS version 1.13.2 and earlier version contains a Directory Traversal vulnerability in core/common/src/main/java/org/onosproject/common/app/ApplicationArchive.java line 35 that can result in arbitrary file deletion (overwrite). This attack appear to be exploitable via a specially crafted zip file should be uploaded.

Frequently asked questions

What is CVE-2018-1999020?: Open Networking Foundation (ONF) ONOS version 1.13.2 and earlier version contains a Directory Traversal vulnerability in core/common/src/main/java/org/onosproject/common/app/ApplicationArchive.java line 35 that can result in arbitrary file deletion (overwrite). This attack appear to be exploitable via a specially crafted zip file should be uploaded.
How severe is CVE-2018-1999020?: CVE-2018-1999020 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-1999020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999020?: CVE-2018-1999020 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999020?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999020 published?: CVE-2018-1999020 was published on 2018-07-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opennetworking:onos:*:*:*:*:*:*:*:*

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