CVSS v3
9.8
CRITICAL
EPSS Score
94.0 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-12-13
- Patch Due Date
- 2023-01-03
- Ransomware Use
- Known
Technical details
- Published
- 2023-01-02
Frequently asked questions
What is CVE-2022-42475?
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.
Is CVE-2022-42475 actively exploited?
Yes. CVE-2022-42475 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 2023-01-03.
What is the CVSS score for CVE-2022-42475?
CVE-2022-42475 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-42475 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2022 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).