CVE-2021-1394
published 2021-03-24CVE-2021-1394: A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System (NCS) 520 Routers could allow an unauthenticated…
PriorityP429medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
1.27%
66.6th percentile
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.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_ios_xe_software | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
vendor_cisco5.3MEDIUM
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Cisco
Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
vendor_cisco·2021-03-24·CVSS 5.3
CVE-2021-1394 [MEDIUM] CWE-399 Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
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
Cisco
Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2021-1394 Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
CVE-2021-1394: Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability
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
GHSA
GHSA-x482-c63f-45hq: A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System (NCS) 520 Routers could allow an unauthen
ghsa_unreviewed·2022-05-24
CVE-2021-1394 [MEDIUM] GHSA-x482-c63f-45hq: A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System (NCS) 520 Routers could allow an unauthen
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-24
Published