CVE-2021-1513
HIGHCisco SD-WAN Software - Unauthenticated Denial of Service via Malformed Packet Handling
Title source: llmDescription
A vulnerability in the vDaemon process of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dos-Ckn5cVqW
Scores
CVSS v3
7.5
EPSS
0.0082
EPSS Percentile
74.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (12)
cisco/catalyst_sd-wan_manager
< 20.3.1
cisco/sd-wan_vbond_orchestrator
cisco/vedge-100b_firmware
cisco/vedge_1000_firmware
cisco/vedge_100_firmware
cisco/vedge_100b_firmware
cisco/vedge_100m_firmware
cisco/vedge_100wm_firmware
cisco/vedge_2000_firmware
cisco/vedge_5000_firmware
... and 2 more
Published
May 06, 2021
Tracked Since
Feb 18, 2026