CVE-2020-15897: High severity arista eos vulnerability
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 traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-15897.
What is the severity of CVE-2020-15897?
The severity of CVE-2020-15897 is high with a CVSS score of 7.5.
Which software versions are affected by CVE-2020-15897?
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 are affected by CVE-2020-15897.
What is the impact of CVE-2020-15897?
CVE-2020-15897 allows remote attackers to cause traffic loss or incorrect forwarding of traffic by sending a malformed link-state PDU to the IS-IS router.
How can I fix CVE-2020-15897?
To fix CVE-2020-15897, users should update their Arista EOS software to version 4.21.12M or later, 4.22.7M or later, 4.23.5M or later, or 4.24.2F or later.