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HIGH · 8.8

CVE-2023-37927

The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attac...

Vulnerability Description

The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelNas326 Firmware<= 5.21\(aazf.14\)c0
ZyxelNas326-
ZyxelNas542 Firmware<= 5.21\(abag.11\)c0
ZyxelNas542-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2023-37927?

CVE-2023-37927 is a vulnerability with a CVSS score of 8.8 (HIGH). The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attac...

How severe is CVE-2023-37927?

CVE-2023-37927 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-37927?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nas326 Firmware, Zyxel Nas326, Zyxel Nas542 Firmware, Zyxel Nas542.