4.3
Medium
Exploited
· ransomware
CVE-2018-13383 Fortinet FortiOS and FortiProxy Out-of-bounds Write
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-787
Description
A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Fortinet FortiOS and FortiProxy | Versions not published |
References
- fortiguard.com fortiguard.com
- fortiguard.com fortiguard.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Fortinet FortiOS and FortiProxy
The 4 CVEs of Fortinet FortiOS and FortiProxy →
CVE-2019-17655
A cleartext storage in a file or on disk (CWE-313) vulnerability in FortiOS SSL VPN 6.2.0 through 6.2.2, 6.0.9 and…
5.3
Medium
CVE-2018-13381
A buffer overflow vulnerability in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.7, 5.4 and earlier versions…
5.3
Medium
CVE-2018-13380
A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2…
4.7
Medium