CVE-2018-13382

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.817 · 100 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 4 exploits · PoC

Likely / severe?

81.7% (100th) EPSS

CVSS 5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-01-10remediate by 2022-07-10

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-24

Fortinet FortiOS and FortiProxy Improper Authorization

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

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5–9.1

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-285US

exploits (4)

Public proof-of-concept and weaponised exploit code.

EDB-49074Fortinet FortiOS 6.0.4 - Unauthenticated SSL VPN User Password ModificationPoC · exploit_db
cojoben/CVE-2018-13382cojoben/CVE-2018-13382PoC · poc_in_github
milo2012/CVE-2018-13382CVE-2018-13382PoC · poc_in_github
tumikoto/Exploit-FortinetMagicBackdoorPoC for CVE-2018-13382, never successfully tested so swim at your own riskPoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

Fortinet Fortinet FortiOS, FortiProxy≤ 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 1.0.7enisa_euvdEU
Fortinet Inc. FortiOS5.4.1 → 5.4.10fstec_bduRU
Fortinet Inc. FortiOS5.6.0 → 5.6.8fstec_bduRU
Fortinet Inc. FortiOS6.0.0 → 6.0.4fstec_bduRU
fortinet fortios5.4.1 → 5.4.11nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios5.6.0 → 5.6.9nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios6.0.0 → 6.0.5nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortiproxy< 1.2.9nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy= 2.0.0nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-06-04modified 2026-06-17

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+4983 more

references (19)

External citations — patches, advisories, analysis.

scry

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