What is CVE-2019-1737?

CVE-2019-1737 is a high-severity vulnerability in Cisco Ios And Ios-Xe Software, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2019-03-27.

How severe is CVE-2019-1737?

High severity. CVSS v3 base score is 8.6 out of 10.

Resource exhaustion in Cisco Ios And Ios-Xe Software

CVE-2019-1737

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.026 (83.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios And Ios-xe Software — versions 3.7.0S, 3.7.1S, 3.7.2S
Cisco Ios — versions 12.2\(58\)ex, 12.2\(58\)ez, 12.2\(60\)ez
Cisco Ios_xe — versions 3.2.0se, 3.2.1se, 3.2.2se

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2019-1737?: CVE-2019-1737 is a high-severity vulnerability in Cisco Ios And Ios-Xe Software, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2019-03-27.
How severe is CVE-2019-1737?: High severity. CVSS v3 base score is 8.6 out of 10.