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EOS — Vulnerabilities & Security Advisories 78

All 78 CVE vulnerabilities found in EOS, with AI-generated Chinese analysis, references, and POCs.

This vulnerability aggregation page documents known security defects in the EOS product line, categorized by specific weakness types and associated vendor advisories. The collection aggregates reported issues across the product's release history, covering the full timeframe from initial deployment through the latest patch cycles. Here you can track the vendor's advisory timeline, analyze the frequency and severity of specific flaw classes, and review the complete vulnerability history for EOS to identify recurring themes in code quality or update cadence.

Vendor: Arista Networks

CVE ID Title CVSS Severity Published
CVE-2024-9135 On affected platforms running Arista EOS with BGP Link State configured, BGP peer flap can cause the BGP agent to leak memory. This may result in BGP routing processing being terminated and route flapping. CWE-401 5.3 Medium 2025-03-04
CVE-2025-1260 On affected platforms running Arista EOS with OpenConfig configured, a gNOI request can be run when it should have been rejected. CWE-284 9.1 Critical 2025-03-04
CVE-2025-1259 On affected platforms running Arista EOS with OpenConfig configured, a gNOI request can be run when it should have been rejected. CWE-284 7.7 High 2025-03-04
CVE-2024-5872 On affected platforms running Arista EOS, a specially crafted packet with incorrect VLAN tag might be copied to CPU, which may cause incorrect control plane behavior related to the packet, such as route flaps, multicast routes learnt, etc. 6.5 Medium 2025-01-10
CVE-2024-7095 On affected platforms running Arista EOS with SNMP configured, if “snmp-server transmit max-size” is configured, under some circumstances a specially crafted packet can cause the snmpd process to leak memory. This may result in the snmpd process being term 4.3 Medium 2025-01-10
CVE-2023-3646 On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload. CWE-125 5.9 Medium 2023-08-29
CVE-2023-24548 On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets CWE-120 5.3 Medium 2023-08-29
CVE-2023-24513 On affected platforms running Arista CloudEOS a size check bypass issue in the Software Forwarding Engine (Sfe) may allow buffer over reads in later code. Additionally, depending on configured options this may cause a recomputation of the TCP checksum ... CWE-126 6.5 Medium 2023-04-12
CVE-2023-24511 On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. CWE-401 5.3 Medium 2023-04-12
CVE-2023-24545 On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. CWE-400 7.5 High 2023-04-12
CVE-2023-0452 Econolite EOS traffic control software 加密问题漏洞 CWE-328 9.8 Critical 2023-01-26
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 78 known CVE vulnerabilities affecting EOS with full Chinese analysis, references, and POCs where available.