CVE-2018-13382
Fortinet FortiOS and FortiProxy: Improper Authorization
As of , CVE-2018-13382 in Fortinet FortiOS and FortiProxy is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 10 January 2022
- US federal deadline
- 10 July 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.82Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
- Public exploit
- 1 Exploit-DB entry
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
An Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy under SSL VPN web portal allows an unauthenticated attacker to modify the password.
CISA's description
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
The CVE record's description, from fortinet
- CVE published
- 4 June 2019
- Assigned by
- fortinet
- CVSS
- 9.1 Critical (CVSS 3.1, from the CNA)
- CWE-863
- Incorrect Authorization
- CWE-285
- Improper Authorization
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 49074).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Exploit-DB: Fortinet FortiOS 6.0.4 - Unauthenticated SSL VPN User Password ModificationEDB-ID 49074, 19 November 2020
FortiOS and FortiProxy: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2024-55591Authentication Bypass | Fortinet FortiOS and FortiProxy | Patch this weekRansomware use; EPSS 0.94 | 0.94 | ||
| CVE-2018-13383Out-of-bounds Write | Fortinet FortiOS and FortiProxy | Patch this weekRansomware use | 0.34 | ||
| CVE-2025-24472Authentication Bypass | Fortinet FortiOS and FortiProxy | Patch this weekRansomware use | 0.07 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org