What is CVE-2021-42988?

CVE-2021-42988 is a high-severity vulnerability in Eltima Usb Network Gate, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-12-07.

How severe is CVE-2021-42988?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Eltima Usb Network Gate

CVE-2021-42988

Eltima USB Network Gate is affected by Buffer Overflow. IOCTL Handler 0x22001B in the USB Network Gate above 7.0.1370 below 9.2.2420 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Eltima Usb_network_gate
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42988?: CVE-2021-42988 is a high-severity vulnerability in Eltima Usb Network Gate, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-12-07.
How severe is CVE-2021-42988?: High severity. CVSS v3 base score is 8.8 out of 10.