Critical severity · published Jun 4, 2019
CVE-2018-13379
Fortinet FortiOS SSL VPN Path Traversal Vulnerability
RansomwareIn wildKEV
9.8
CVSS
100%
EPSS
Yes
On KEV
Description
An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 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 download system files via special crafted HTTP resource requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)100.0% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useKnown
Affected products
Which versions
FO
FortiOS · Fortinet
5.4.6 before 5.4.13; 5.6.3 before 5.6.8; 6.0.0 before 6.0.5 · source: NVD, KEV
FF
Fortinet FortiOS, FortiProxy · Fortinet
FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12, 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 · source: vendor
FO
Fortiproxy · Fortinet
before 1.2.9; 2.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-13379
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-13379
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
https://fortiguard.com/advisory/FG-IR-18-384
x_refsource_CONFIRM
https://www.fortiguard.com/psirt/FG-IR-20-233
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