CVE-2020-17355
First published: Wed Oct 21 2020(Updated: )
Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arista EOS | >=4.21.0<4.21.12m | |
| Arista EOS | >=4.22<4.22.7m | |
| Arista EOS | >=4.23<4.23.5m | |
| Arista EOS | >=4.24.0<4.24.2f |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-17355.
What is the affected software?
The affected software is Arista EOS versions before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F.
What is the severity of CVE-2020-17355?
The severity of CVE-2020-17355 is high, with a severity score of 7.5.
How does CVE-2020-17355 impact the system?
CVE-2020-17355 allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed.
How can I fix CVE-2020-17355?
To fix CVE-2020-17355, it is recommended to update to Arista EOS versions 4.21.12M, 4.22.7M, 4.23.5M, or 4.24.2F, which contain the necessary security patches.
- collector/nvd-index
- agent/severity
- agent/author
- agent/references
- agent/tags
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/arista
- canonical/arista eos
- version/arista eos/4.21.0
- version/arista eos/4.22
- version/arista eos/4.23
- version/arista eos/4.24.0