High severity · published Apr 7, 2020
CVE-2019-17657
An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6 and 6.2.2, FortiAnalyzer below 6.2.3, FortiManager below 6.2.3 and FortiAP-S/W2…
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6 and 6.2.2, FortiAnalyzer below 6.2.3, FortiManager below 6.2.3 and FortiAP-S/W2 below 6.2.2 may allow an attacker to cause admin webUI denial of service (DoS) via handling special crafted HTTP requests/responses in pieces slowly, as demonstrated by Slow HTTP DoS Attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiManager · Fortinet
before 6.2.3 · source: NVD
FO
Fortianalyzer · Fortinet
before 6.2.3 · source: NVD
FO
Fortiap-s · Fortinet
before 6.2.2 · source: NVD
FO
Fortiap-w2 · Fortinet
before 6.2.2 · source: NVD
FO
Fortiswitch · Fortinet
before 3.6.11; 6.0.0 before 6.0.6; 6.2.0 before 6.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-17657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-17657
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-19-013
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