What is CVE-2020-27302?

CVE-2020-27302 is a high-severity vulnerability in Realtek Rtl8195a, classified under Out-of-bounds Write. CVSS score: 8.0/10. Published 2021-06-04.

How severe is CVE-2020-27302?

High severity. CVSS v3 base score is 8.0 out of 10.

Buffer overflow in Realtek Rtl8195a

CVE-2020-27302

A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "memcpy" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Realtek Rtl8195a
Realtek Rtl8195a_firmware
Realtek Rtl8710c
Realtek Rtl8710c_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

vuln@vdoo.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27302?: CVE-2020-27302 is a high-severity vulnerability in Realtek Rtl8195a, classified under Out-of-bounds Write. CVSS score: 8.0/10. Published 2021-06-04.
How severe is CVE-2020-27302?: High severity. CVSS v3 base score is 8.0 out of 10.