Is CVE-2018-1352 being actively exploited?

CVE-2018-1352 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-1352?

CVE-2018-1352 has a CVSS 3.0 base score of 9.8 (CRITICAL).

CVE-2018-1352

CRITICAL · CVSS 9.8EPSS 1.2%EU EUVD

A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable.

Key facts

CVSS score: 9.8 (v3.0)
Severity: CRITICAL
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-134
EPSS score: 1.2% (67th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-11931)
Published: February 8, 2019
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-11931 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortios

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

FortiOS 5.6 - Fortinet, Inc. - FIPS 140 3639 - historical

References

https://fortiguard.com/advisory/FG-IR-18-018(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain