Tracker / CVE-2021-1495
CVE-2021-1495
Medium 5.8
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.
Affected products and versions
| cisco | ios_xe · 16.12 → 16.12.5 |
|---|---|
| cisco | ios_xe · 17.1 → 17.3.3 |
| cisco | ios_xe · 17.4 → 17.4.1 |
| cisco | secure_firewall_threat_defense · … → 6.4.0.12 |
| cisco | secure_firewall_threat_defense · 6.5.0 → 6.6.4 |
| cisco | secure_firewall_threat_defense · 6.7.0 → 6.7.0.2 |
| snort | snort · … → 2.9.17.1 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.