Vulnerability identifier: #VU49899
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco SD-WAN
Client/Desktop applications /
Virtualization software
Cisco IOS XE SD-WAN
Other software /
Other software solutions
Cisco SD-WAN vBond Orchestrator
Other software /
Other software solutions
Cisco SD-WAN vManage
Other software /
Other software solutions
Cisco IOS XE
Operating systems & Components /
Operating system
Cisco SD-WAN vEdge Cloud Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco SD-WAN vEdge Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco SD-WAN vSmart Controller
Hardware solutions /
Other hardware appliances
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the NETCONF subsystem. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco SD-WAN: 18.3.0 - 20.4.0
Cisco IOS XE SD-WAN: 16.9 - 16.12
Cisco IOS XE: 17.2 - 17.4
Cisco SD-WAN vBond Orchestrator: All versions
Cisco SD-WAN vEdge Cloud Router: All versions
Cisco SD-WAN vEdge Routers: All versions
Cisco SD-WAN vManage: All versions
Cisco SD-WAN vSmart Controller: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-bufovulns-B5NrSHbj
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.