CVE-2020-11264

Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto…

Critical · published September 8, 2021

CVSS v3.1
9.1
EPSS
13%
Percentile
96.4
In the wild
Unconfirmed
What it is

🚨 A single misstep in the four-way handshake lets attackers inject arbitrary network packets into your Snapdragon devices! 🔥 Think of it like a restaurant where the waiter accepts any order without confirming it with the chef—this flaw means malicious packets can sneak in without the kitchen ever checking what's legit. An attacker could craft and send malicious packets, potentially disrupting communications or injecting harmful data. This could lead to unauthorized access to sensitive information, making it an absolute nightmare for any device reliant on these affected Snapdragons!

Put simply

Think of it like a restaurant where the waiter accepts any order without confirming it with the chef—this flaw means malicious packets can sneak in without the kitchen ever checking what's legit. CVE-2020-11264 arises from improper authentication of plaintext frames during the four-way handshake process, allowing an attacker to bypass normal security checks and inject their own packets into the network flow.

What to do

An attacker could craft and send malicious packets, potentially disrupting communications or injecting harmful data. This could lead to unauthorized access to sensitive information, making it an absolute nightmare for any device reliant on these affected Snapdragons! To protect your devices, ensure they are on the latest firmware that patches this vulnerability. Regularly update your security protocols and monitor for unusual network activity to catch any signs of exploitation before they escalate. You've got this! Follow these steps and you'll keep your devices safe and sound! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.13186 · 96.4th percentile
Published
2021-09-08T11:25Z
EPSS history
Timeline
  • 08 SEP 11:25Z
    Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto…
    cvelistv5