What is CVE-2021-43070?

CVE-2021-43070 is a medium-severity vulnerability in Fortinet Fortiwlm, classified under Path Traversal. CVSS score: 5.4/10. Published 2022-03-02.

How severe is CVE-2021-43070?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Path Traversal in Fortinet Fortiwlm

CVE-2021-43070

Multiple relative path traversal vulnerabilities [CWE-23] in FortiWLM management interface 8.6.2 and below, 8.5.2 and below, 8.4.2 and below, 8.3.3 and below, 8.2.2 may allow an authenticated attacker to retrieve arbitrary files from the underlying filesystem via specially crafted web requests.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-03-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Fortinet Fortiwlm — versions FortiWLM 8.6.2 and below, 8.5.2 and below, 8.4.2 and below, 8.3.3 and below, 8.2.2
Fortinet Fortiwlm — versions 8.2.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

fortiguard.com/psirt/FG-IR-21-106 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-43070?: CVE-2021-43070 is a medium-severity vulnerability in Fortinet Fortiwlm, classified under Path Traversal. CVSS score: 5.4/10. Published 2022-03-02.
How severe is CVE-2021-43070?: Medium severity. CVSS v3 base score is 5.4 out of 10.