What is CVE-2023-36659?

CVE-2023-36659 is a critical-severity vulnerability in Opswat Metadefender Kiosk, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-09-15.

How severe is CVE-2023-36659?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Opswat Metadefender Kiosk

CVE-2023-36659

An issue was discovered in OPSWAT MetaDefender KIOSK 4.6.1.9996. Long inputs were not properly processed, which allows remote attackers to cause a denial of service (loss of communication).

Vulnerability class: Buffer Overflow

EPSS: 0.007 (50.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opswat Metadefender_kiosk
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Product, Release Notes)
cve@mitre.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36659?: CVE-2023-36659 is a critical-severity vulnerability in Opswat Metadefender Kiosk, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-09-15.
How severe is CVE-2023-36659?: Critical severity. CVSS v3 base score is 9.8 out of 10.