CVE-2018-13383
CVSS v3
6.5
MEDIUM
EPSS Score
1.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-01-10
- Patch Due Date
- 2022-07-10
- Ransomware Use
- Known
Technical details
- Published
- 2019-05-29
Frequently asked questions
What is CVE-2018-13383?
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.
Is CVE-2018-13383 actively exploited?
Yes. CVE-2018-13383 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-07-10.
What is the CVSS score for CVE-2018-13383?
CVE-2018-13383 has a CVSS v3 base score of 6.5 (MEDIUM severity).
Is CVE-2018-13383 affecting your environment?
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