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EOS — Vulnerabilities & Security Advisories 37

All 37 CVE vulnerabilities found in EOS, with AI-generated Chinese analysis, references, and POCs.

This page serves as the vulnerability aggregation hub for EOS, a Linux distribution developed by Blue Systems Software, specifically covering Common Weakness Enumeration (CWE) classifications. It collects reported security flaws, ranging from critical privilege escalation risks to minor information disclosures, spanning advisory releases from early 2010 through 2024. By centralizing these records, the platform enables users to track Blue Systems Software advisories as they unfold, providing a clear timeline of when specific patches were issued and deployed. This structured approach allows security professionals to deeply understand the prevalence and impact of a specific weakness class within the EOS ecosystem, observing how similar vulnerabilities manifest across different versions and architectures over time. Furthermore, it supports efficient investigation of a product’s vulnerability history, helping administrators assess their system’s exposure by comparing installed package versions against known affected ranges. The data is sourced directly from official distribution announcements and third-party security trackers, ensuring accuracy and comprehensive coverage of both critical and low-severity issues. This resource is designed for developers, system administrators, and security researchers who require a consolidated view of EOS-specific security trends without navigating fragmented sources. By presenting this information in a unified interface, the page simplifies the process of risk assessment and compliance verification for organizations relying on the EOS operating system in their infrastructure.

Vendor: Arista Networks

CVE ID Title CVSS Severity Published
CVE-2023-0451 Econolite EOS traffic control software 访问控制错误漏洞 CWE-284 7.5 High 2023-01-26
CVE-2021-28510 For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable. CWE-400 5.3 Medium 2023-01-24
CVE-2021-28511 This advisory documents the impact of an internally found vulnerability in Arista EOS for security ACL bypass. The impact of this vulnerability is that the security ACL drop rule might be bypassed if a NAT ACL rule filter with permit action matches t ... CWE-284 5.8 Medium 2022-08-05
CVE-2021-28505 On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol. CWE-284 7.5 High 2022-04-14
CVE-2021-28504 On Arista Strata family products which have “TCAM profile” feature enabled when Port IPv4 access-list has a rule which matches on “vxlan” as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol fi ... CWE-284 7.5 High 2022-04-01
CVE-2021-28507 An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent. CWE-284 5.5 Medium 2022-01-14
CVE-2021-28506 An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device. CWE-285 9.1 Critical 2022-01-14

All 37 known CVE vulnerabilities affecting EOS with full Chinese analysis, references, and POCs where available.