Vulnerability identifier: #VU47240
Vulnerability risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-371
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco IOS XE
Operating systems & Components /
Operating system
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perofrm a denial of service (DoS) attack.
The vulnerability exists due to the IP Service Level Agreement (SLA) responder feature could consume a port that could be used by another feature. A remote attacker can send specific IP SLA control packets and cause an in-use port to be consumed by the IP SLA responder, resulting in a denial of service condition.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco IOS XE: 16.9.3
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipsla-jw2DJmSv
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.