Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability
CVE-2019-1737

8.6HIGH

Key Information:

Vendor
Cisco
Vendor
CVE Published:
27 March 2019

Badges

👾 Exploit Exists

Summary

A vulnerability in the processing of IP Service Level Agreement (SLA) packets by Cisco IOS Software and Cisco IOS XE software could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to improper socket resources handling in the IP SLA responder application code. An attacker could exploit this vulnerability by sending crafted IP SLA packets to an affected device. An exploit could allow the attacker to cause an interface to become wedged, resulting in an eventual denial of service (DoS) condition on the affected device.

Affected Version(s)

Cisco IOS and IOS-XE Software 3.7.0S

Cisco IOS and IOS-XE Software 3.7.1S

Cisco IOS and IOS-XE Software 3.7.2S

References

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.