Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Adjacent_network
0

CVE-2020-26147

Disclosure Date: May 11, 2021 •
CVE-2020-26147 CVSS v3 Base Score: 5.4
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.

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CVSS V3 Severity and Metrics
Base Score:
5.4 Medium
Impact Score:
4.2
Exploitability Score:
1.2
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Attack Vector (AV):
Adjacent_network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
High
Availability (A):
None

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • arista,
  • debian,
  • linux,
  • siemens

Products

  • c-65 firmware -,
  • c-75 firmware -,
  • debian linux 9.0,
  • linux kernel,
  • o-90 firmware -,
  • scalance w1700 ieee 802.11ac firmware,
  • scalance w700 ieee 802.11n firmware,
  • w-68 firmware -
Technical Analysis