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...
No known exploitation. EPSS puts it in the 94th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
7.6% chance of exploitation activity in the next 30 days, which ranks it in the 94th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1871 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- Cisco Aironet 1560Networking Infrastructure
- Cisco IP Conference Phone 8832Networking Infrastructure
- Cisco IP Phone 8861Networking Infrastructure
- Cisco IP Phone 8865Networking Infrastructure
- Cisco IP Phone 8861 Running Third-Party Call Control (3PCC) SoftwareNetworking Infrastructure
- Cisco IP Phone 8821Networking Infrastructure
- Webex RoomNetworking Infrastructure
- Webex DeskNetworking Infrastructure
And 10 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Scored 5.4 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability NoneNo availability impact
Weaknesses
Sources
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