What is CVE-2018-1999020?

CVE-2018-1999020 is a medium-severity vulnerability in Opennetworking Onos, classified under Path Traversal. CVSS score: 5.5/10. Published 2018-07-23.

How severe is CVE-2018-1999020?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Path Traversal in Opennetworking Onos

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-07-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Opennetworking Onos

Weakness classification (CWE)

CWE-22 — Path Traversal

References

gms.cl0udz.com/ONOS_app_overwrite.pdf (Exploit, Mailing List, Third Party Advisory)
gerrit.onosproject.org/ (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1999020?: CVE-2018-1999020 is a medium-severity vulnerability in Opennetworking Onos, classified under Path Traversal. CVSS score: 5.5/10. Published 2018-07-23.
How severe is CVE-2018-1999020?: Medium severity. CVSS v3 base score is 5.5 out of 10.