Home/CVE/Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
CVE

CVE-2018-13374

Fortinet FortiOS and FortiADC Improper Access Control Vulnerability

A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a rogue LDAP server instead of the configured one.

MEDIUM · CVSS 4.3 ⚠ CISA KEV EPSS 0.03367 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-732Incorrect Permission Assignment for Critical Resource
CWE-732Incorrect Permission Assignment for Critical Resource
▤

Affected Products & Versions

4
fortinet fortiadc>= 5.4.0 and < 5.4.5
fortinet fortiadc>= 6.0.0 and < 6.0.2
fortinet fortiadcall versions
fortinet fortios< 6.0.3
⚠

Public Exploits & PoCs

1
webappsFortinet FortiGate FortiOS < 6.0.3 - LDAP Credential Disclosureverified
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · 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 NVD22 Jan 2019 · 02:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2018-13374
🔗

References & Sources

2
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-18-157Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13374US Government Resource
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