CVE-2020-26147
Linux Kernel WEP/WPA/WPA2/WPA3 Protocol Fragment Injection Vulnerability
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.
INFO
Published Date :
May 11, 2021, 8:15 p.m.
Last Modified :
July 12, 2022, 5:14 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.2
Exploitability Score :
1.2
Public PoC/Exploit Available at Github
CVE-2020-26147 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-26147
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-26147.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/11/12 | Mailing List Patch Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf | Third Party Advisory |
| https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html | Mailing List Third Party Advisory |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu | Third Party Advisory |
| https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 | Third Party Advisory |
| https://www.fragattacks.com | Product |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Makefile Shell C Roff Python PHP C++ QMake Java
None
Makefile Shell C Roff Perl Python PHP C++ QMake Java
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-26147 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26147 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.8.9:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.4 up to (excluding) 4.4.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.9 up to (excluding) 4.9.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14 up to (excluding) 4.14.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19 up to (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.9 -
Modified Analysis by [email protected]
Dec. 04, 2021
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Mailing List, Third Party Advisory Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu Third Party Advisory Changed Reference Type https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 No Types Assigned https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arista:c-75:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arista:o-90:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arista:c-65:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arista:w-68:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_w700_ieee_802.11n_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_w700_ieee_802.11n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_w1700_ieee_802.11ac_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_w1700_ieee_802.11ac:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 28, 2021
Action Type Old Value New Value Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu [No Types Assigned] Added Reference https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 13, 2021
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf [No Types Assigned] -
CVE Modified by [email protected]
Jun. 23, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html [No Types Assigned] -
Initial Analysis by [email protected]
May. 28, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:A/AC:H/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/11/12 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/11/12 Mailing List, Patch, Third Party Advisory Changed Reference Type https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md No Types Assigned https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md Third Party Advisory Changed Reference Type https://www.fragattacks.com No Types Assigned https://www.fragattacks.com Product Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.8.9:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 11, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/11/12 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26147 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-26147
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.17 }} 0.05%
score
0.53744
percentile