CISA KEV · Known exploitedHigh

CVE-2018-13382

Fortinet FortiOS and FortiProxy

An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests

CVSS: 7.5
EPSS: 81.7%
CISA KEV: Listed
Published: 2019.06.05

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability81.7%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Fortinet FortiOS and FortiProxy
Affected versions: FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8, 5.4.1 to 5.4.10, FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7, < 1.2.9, 2.0.0, >= 5.4.1 < 5.4.11, >= 5.6.0 < 5.6.9, >= 6.0.0 < 6.0.5
Fixed versions: 1.2.9, 5.4.11, 5.6.9, 6.0.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.07.10

1
Identify
Confirm that Fortinet FortiOS and FortiProxy and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE: CWE-285, CWE-863
KEV added: 2022.01.10
Ransomware use: 확인됨