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Known exploited vulnerability

CVE-2018-13382

highCVSS 3.1 7.5In CISA KEVRansomwareEPSS 82%Published · Fortinet

The short answer

CVE-2018-13382 affects Fortinet Fortinet FortiOS, FortiProxy and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-01-10: attackers are using it, so patch it first.

What it is

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

Weakness: CWE-863.

Severity

7.5 high

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

Exploited (CISA KEV)

Yes, since Jan 10, 2022

Federal due date Jul 10, 2022

EPSS, next 30 days

82%

Higher than 100% of scored CVEs

How it can be exploited

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

What CISA says to do

Apply updates per vendor instructions.

Affected products

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

References

Questions

Is CVE-2018-13382 being exploited?

Yes. CISA added CVE-2018-13382 to its Known Exploited Vulnerabilities catalog on 2022-01-10, with a federal remediation due date of 2022-07-10. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2018-13382?

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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