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CVE-2024-20508
CVE ID
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CVE-2024-20508
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A vulnerability in Cisco Unified Threat Defense (UTD) Snort Intrusion Prevention System (IPS) Engine for Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured security policies or cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient validation of HTTP requests when they are processed by Cisco UTD Snort IPS Engine. An attacker could exploit this vulnerability by sending a crafted HTTP request through an affected device. A successful exploit could allow the attacker to trigger a reload of the Snort process. If the action in case of Cisco UTD Snort IPS Engine failure is set to the default, fail-open, successful exploitation of this vulnerability could allow the attacker to bypass configured security policies. If the action in case of Cisco UTD Snort IPS Engine failure is set to fail-close, successful exploitation of this vulnerability could cause traffic that is configured to be inspected by Cisco UTD Snort IPS Engine to be dropped.
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CVSS V3 Severity and Metrics
General Information
Vendors
Products
- unified threat defense snort intrusion prevention system engine 17.11.1a,
- unified threat defense snort intrusion prevention system engine 17.12.1a,
- unified threat defense snort intrusion prevention system engine 17.12.2,
- unified threat defense snort intrusion prevention system engine 17.12.3,
- unified threat defense snort intrusion prevention system engine 17.12.3a,
- unified threat defense snort intrusion prevention system engine 17.12.4,
- unified threat defense snort intrusion prevention system engine 17.13.1a,
- unified threat defense snort intrusion prevention system engine 17.14.1a,
- unified threat defense snort intrusion prevention system engine 17.15.1a,
- unified threat defense snort intrusion prevention system engine 17.6.1a,
- unified threat defense snort intrusion prevention system engine 17.6.2,
- unified threat defense snort intrusion prevention system engine 17.6.6,
- unified threat defense snort intrusion prevention system engine 17.7.1a,
- unified threat defense snort intrusion prevention system engine 17.7.2,
- unified threat defense snort intrusion prevention system engine 17.8.1a,
- unified threat defense snort intrusion prevention system engine 17.9.5a
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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