Critical severity · published Jan 2, 2023
CVE-2022-42475
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
RansomwareIn wildKEV
9.8
CVSS
99.5%
EPSS
Yes
On KEV
Description
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted 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)99.5% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Dec 13, 2022
Federal remediation dueJan 3, 2023
Ransomware campaign useKnown
Affected products
Which versions
FO
FortiOS · Fortinet
7.2.0 through 7.2.2; 7.0.0 through 7.0.8; 6.4.0 through 6.4.10; 6.2.0 through 6.2.11; 6.0.0 through 6.0.15; 5.6.0 through 5.6.14; +3 more · source: vendor, NVD, KEV
FO
FortiProxy · Fortinet
7.2.0 through 7.2.1; 7.0.0 through 7.0.7; 2.0.0 through 2.0.11; 1.2.0 through 1.2.13; 1.1.0 through 1.1.6; 1.0.0 through 1.0.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-42475
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-42475
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
fortiguard.com
https://fortiguard.com/psirt/FG-IR-22-398
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