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CVE-2021-1394
CVE ID
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CVE-2021-1394
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 the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System (NCS) 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the web management interface of an affected device. This vulnerability is due to incorrect processing of certain IPv4 TCP traffic that is destined to an affected device. An attacker could exploit this vulnerability by sending a large number of crafted TCP packets to the affected device. A successful exploit could allow the attacker to cause the web management interface to become unavailable, resulting in a DoS condition. Note: This vulnerability does not impact traffic that is going through the device or going to the Management Ethernet interface of the device.
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CVSS V3 Severity and Metrics
General Information
Vendors
- cisco
Products
- ios xe 16.10.1,
- ios xe 16.10.1a,
- ios xe 16.10.1b,
- ios xe 16.10.1c,
- ios xe 16.10.1d,
- ios xe 16.10.1e,
- ios xe 16.10.1f,
- ios xe 16.10.1g,
- ios xe 16.10.1s,
- ios xe 17.2.1v
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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