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Known exploited vulnerability

CVE-2018-13374

mediumCVSS 3.1 4.3In CISA KEVRansomwareEPSS 38%Published · Fortinet

The short answer

CVE-2018-13374 affects Fortinet Fortinet FortiOS, fortiADC and is rated medium (CVSS 4.3). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-08: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-732.

Severity

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploited (CISA KEV)

Yes, since Sep 8, 2022

Federal due date Sep 29, 2022

EPSS, next 30 days

38%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

Fortinet FortiOS, fortiADC. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-13374 being exploited?

Yes. CISA added CVE-2018-13374 to its Known Exploited Vulnerabilities catalog on 2022-09-08, with a federal remediation due date of 2022-09-29. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2018-13374?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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