Home/CVE/A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the
CVE

CVE-2018-1352

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

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

CRITICAL · CVSS 9.8 EPSS 0.00504
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-134Use of Externally-Controlled Format String
▤

Affected Products & Versions

1
fortinet fortiosall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Feb 2019 · 06:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/advisory/FG-IR-18-018Vendor Advisory
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