{"id":86324,"date":"2026-01-19T12:55:42","date_gmt":"2026-01-19T12:55:42","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2024-9448-traffic-policy-bypass-vulnerability-in-arista-eos","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-9448-traffic-policy-bypass-vulnerability-in-arista-eos\/","title":{"rendered":"CVE-2024-9448: Traffic Policy Bypass Vulnerability in Arista EOS<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

This report presents a detailed analysis of the CVE-2024-9448 vulnerability. The vulnerability is present in Arista EOS platforms that have Traffic Policies configured. The severity of this vulnerability is high as it can potentially lead to system compromise or data leakage. The issue is significant as affected systems could deliver packets to unexpected destinations, bypassing established rules.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2024-9448
\nSeverity: High (7.5 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Arista EOS | All versions with Traffic Policies configured<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of the vulnerability by sending untagged packets to the affected Arista EOS platform. These untagged packets are not processed by Traffic Policy rules as they should be. If the rule was set to drop the packet, this would not occur, and instead, the packet would be forwarded as if no such rule existed. This can lead to packets being delivered to unexpected destinations, bypassing the network’s security measures.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

A conceptual example of how this vulnerability might be exploited is as follows:<\/p>\n

echo -n \"malicious_payload\" > payload.txt\nnc -u -p 12345 target.example.com < payload.txt<\/code><\/pre>\n
In this conceptual example, an attacker constructs a malicious payload and sends it as an untagged packet. The untagged packet bypasses Traffic Policy rules and gets delivered to an unexpected destination, potentially compromising the system or leading to data leakage.<\/p>\n
Recommendations<\/strong><\/p>\n
To mitigate the CVE-2024-9448 vulnerability, users are advised to apply the vendor patch as soon as it is available. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Users should also consider reviewing and updating their security policies to better protect against untagged packets.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This report presents a detailed analysis of the CVE-2024-9448 vulnerability. The vulnerability is present in Arista EOS platforms that have Traffic Policies configured. The severity of this vulnerability is high as it can potentially lead to system compromise or data leakage. The issue is significant as affected systems could deliver packets to unexpected destinations, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86324","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t