CVE-2023-4473
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
32.9%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Technical Details
- Published
- 11/30/2023
Frequently Asked Questions
What is CVE-2023-4473?
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Is CVE-2023-4473 actively exploited?
Active exploitation of CVE-2023-4473 has not been confirmed. The EPSS score is 32.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-4473?
CVE-2023-4473 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-4473 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.