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High severity · published May 6, 2021
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)…
7.5
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Catalyst Sd-wan Manager · Cisco
before 20.3.1; 20.4 before 20.4.1; 20.5 before 20.5.1 · source: NVD
SV
Sd-wan Vbond Orchestrator · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100 Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 1000 Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100b Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100m Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100wm Firmware · Cisco
All versions, or not specified · source: NVD
V2
Vedge 2000 Firmware · Cisco
All versions, or not specified · source: NVD
V5
Vedge 5000 Firmware · Cisco
All versions, or not specified · source: NVD
VC
Vedge Cloud Firmware · Cisco
All versions, or not specified · source: NVD
VF
Vedge-100b Firmware · Cisco
All versions, or not specified · source: NVD
VC
Vsmart Controller Firmware · Cisco
All versions, or not specified · source: NVD
Affected product
CS
Catalyst Sd-wan Manager
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1513
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dos-Ckn5cVqW
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