CVE-2018-13382 kev+ ransomware in the critical feed json
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…
published 2019-06-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5326
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-01-10, used in ransomware
- epss
- 81.7%
- EPSS 81.7% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 1
- Exploit-DB
Summary
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
Patch / fix
cisa required action Apply updates per vendor instructions.
- fortinet fortiproxy 1.2.9
- fortinet fortios 5.4.11, 5.6.9, 6.0.5
Timeline
- Published
- First public exploit (EDB-49074)
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-07-10 (4 y ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Fortinet, FortiOS and FortiProxy
- CISA name
- Fortinet FortiOS and FortiProxy Improper Authorization
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
81.69% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-49074 Fortinet FortiOS 6.0.4 - Unauthenticated SSL VPN User Password Modification webapps, 2020-11-19
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Fortinet Fortinet FortiOS, FortiProxy
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
- Technology feeds
References
-
fortiguard.com
/advisory/FG-IR-18-389
vendor-advisory
-
fortiguard.com
/psirt/FG-IR-20-231
vendor-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13382
government-resource, us-government-resource
Sources
- CVE List CVE-2018-13382
- NVD CVE-2018-13382
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.