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CVE-2018-13382: Fortinet FortiOS and FortiProxy Improper Authorization

criticalknown exploitedpublic exploitCVE-2018-13382
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
An Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy under SSL VPN web portal allows an unauthenticated attacker to modify the password.

CSIRTS triage

vendor: Fortinetproduct: FortiOSAuthentication bypass
What
An improper authorization vulnerability allows an unauthenticated attacker to modify the password.
Who is affected
Deployments of FortiOS and FortiProxy with SSL VPN web portal enabled.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest patches provided by Fortinet.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-01-10
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-13382

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-13382coverage & exploitation statusNVD · CVE.org

Recent advisories for Fortinet FortiOS and

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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