CVE-2020-27301
Severity Score
8.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "AES_UnWRAP" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.
Un desbordamiento del búfer de la pila en Realtek RTL8710 (y otros dispositivos basados en Ameba) puede conllevar a una ejecución de código remota por medio de la función "AES_UnWRAP", cuando un atacante en el alcance del Wi-Fi envía un valor "Encrypted GTK" diseñado como parte del 4-way-handshake de WPA2
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-10-19 CVE Reserved
- 2021-06-04 CVE Published
- 2022-04-23 First Exploit
- 2024-08-04 CVE Updated
- 2024-10-07 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/chertoGUN/CVE-2020-27301-hostapd | 2022-04-23 | |
| https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Realtek Search vendor "Realtek" | Rtl8710c Firmware Search vendor "Realtek" for product "Rtl8710c Firmware" | - | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8710c Search vendor "Realtek" for product "Rtl8710c" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8195a Firmware Search vendor "Realtek" for product "Rtl8195a Firmware" | - | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8195a Search vendor "Realtek" for product "Rtl8195a" | - | - |
Safe
|