CVE-2024-27891

On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports. This can cause outgoing packets to incorrectly be allowed or denied...

CVE-2024-27890

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2023-5502

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication...

CVE-2025-8873 Arista EOS Dataplane Denial of Service via Malformed IPsec Packet

On affected platforms running Arista EOS with IPsec configured, a specially crafted packet can cause the dataplane to stop processing all IPsec traffic. The control plane may detect this condition, and attempt to reset the IPsec processing pipeline. After reset traffic may not resume being...

CVE-2025-8873

CVE-2025-8873 affects Arista EOS with IPsec enabled: a specially crafted packet can stop dataplane processing of all IPsec traffic, with control plane detecting and resetting the IPsec pipeline; after reset, IPsec traffic may not resume. Non-IPsec traffic is unaffected. Affected EOS releases incl...

CVE-2025-8873 Arista EOS Dataplane Denial of Service via Malformed IPsec Packet

On affected platforms running Arista EOS with IPsec configured, a specially crafted packet can cause the dataplane to stop processing all IPsec traffic. The control plane may detect this condition, and attempt to reset the IPsec processing pipeline. After reset traffic may not resume being...

CVE-2023-5502 On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication...

CVE-2023-5502 On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication...

CVE-2024-27892

Arista CVE-2024-27892 affects Arista EOS platforms running OpenConfig, where a gNMI Set request can be allowed when it should be rejected, enabling unexpected configuration changes. Impact is elevated integrity/availability risk under network attack vectors; OpenConfig must be enabled with SSL pr...

CVE-2024-27892 On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (SSL Profiles Enabled).

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27892 On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (SSL Profiles Enabled).

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27890 On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27890 On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27890

CVE-2024-27890 affects Arista EOS platforms with OpenConfig enabled; a gNMI Set request can be accepted when it should be rejected, causing unexpected configuration changes. Affected EOS versions include 4.29.x (≤4.29.7M), 4.28.x (≤4.28.10M), 4.27.x (≤4.27.8M), 4.26.x (≤4.26.9M), 4.25.x (≤4.25.10...

CVE-2024-27891 On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports.

On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports. This can cause outgoing packets to incorrectly be allowed or denied...

CVE-2024-27891

Arista CVE-2024-27891 affects EOS platforms where MACsec and outbound egress ACLs are on the same interface, potentially causing ACL policies to not be enforced for egress packets. Affected EOS releases include 4.32.x (4.32.0.1F and below), 4.31.x (4.31.2F and below), 4.30.x (4.30.6M and below), ...

CVE-2024-6858

In Arista EOS when operating in 802.1X mode , unauthenticated multi-auth hosts may gain unauthorized access to a switch port. This occurs if an EAPOL-capable device exists within the fallback VLAN (such as unresponsive, guest, or authentication failure VLANs). The vulnerability is specifically tr...

CVE-2024-6858 In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN.

In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN...

Arista EOS 安全漏洞

Arista EOS is a fully programmable, highly modular Linux-based network operating system developed by the American company Arista. There is a security vulnerability in Arista EOS, which stems from the possibility for malicious attackers to bypass the 802.1x authentication requirements when...

PT-2026-46397

Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description Platforms running Arista EOS with OpenConfig configured may process a gNMI Set request that should have been rejected. This flaw allows unexpected configurations to be applied to the switc...