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CVE-2020-26147

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 abuse...

Published: May 11, 2021Updated: Apr 14, 2026 Sources: CVE List NVD BDU csafNVD-CWE-Other
5.4MEDIUM
NVD MITRE
EPSS Score
7.6%
Top 6.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

SCALANCE W-700 IEEE 802.11n family before V6.6.0 are affected by multiple vulnerabilities. Siemens has released a new version for SCALANCE W-700 IEEE 802.11n family and recommends to update to the latest version.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:HPR:NUI:RS:UC:LI:HA:N
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

Cisco Systems Inc.
commercial·USaka cisco, cisco systems
Cisco Aironet 1560
Networking Infrastructure
Cisco IP Conference Phone 8832
Networking Infrastructure
Cisco IP Phone 8861
Networking Infrastructure
Cisco IP Phone 8865
Networking Infrastructure
Cisco IP Phone 8861 Running Third-Party Call Control (3PCC) Software
Networking Infrastructure
Cisco IP Phone 8821
Networking Infrastructure
Webex Room
Networking Infrastructure
Webex Desk
Networking Infrastructure
arista
commercial·US
c-75 firmware
Networking Infrastructure
o-90 firmware
Networking Infrastructure
c-65 firmware
Networking Infrastructure
w-68 firmware
Networking Infrastructure
siemens
commercial·DEaka siemens ag
scalance w700 ieee 802.11n firmware
ICS / OT / IoT
scalance w1700 ieee 802.11ac firmware
ICS / OT / IoT
linux
oss-projectaka the linux kernel
linux kernelOn-premOS
Operating Systems
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
Альт 8 СПOn-premOS
Operating Systems / linux-distro
and 10 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2020-26147?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://cert-portal.siemens.com/productcert/csaf/ssa-019200.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-019200.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-111-07.json
raw.githubusercontent.com
and 86 more references View all →

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