SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1513

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.

HIGH 7.5EPSS 1.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.52% probability · 73th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
cisco/catalyst sd-wan manager · cisco/sd-wan vbond orchestrator · cisco/vsmart controller firmware · cisco/vedge 100 firmware · cisco/vedge 1000 firmware · cisco/vedge 100b firmware · cisco/vedge 100m firmware · cisco/vedge 100wm firmware · cisco/vedge 2000 firmware · cisco/vedge 5000 firmware · cisco/vedge-100b firmware · cisco/vedge cloud firmware
Source
psirt@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.