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CVE-2018-15377 Details

Description

A vulnerability in the Cisco Network Plug and Play agent, also referred to as the Cisco Open Plug-n-Play agent, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. The vulnerability is due to insufficient input validation by the affected software. An attacker could exploit this vulnerability by sending invalid data to the Cisco Network Plug and Play agent on an affected device. A successful exploit could allow the attacker to cause a memory leak on the affected device, which could cause the device to reload.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-02	CVE	Third Party AdvisoryUS Government Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-pnp-memleak	CVE	Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-02	[email protected]	Third Party AdvisoryUS Government Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-pnp-memleak	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-401	Missing Release of Memory after Effective Lifetime	[email protected]
CWE-400	Uncontrolled Resource Consumption	[email protected]

Affected Products

Product	Versions
cisco ios	15.7(3.1s)m denali-16.3.6 everest-16.5.1
CPE cpe:2.3:o:cisco:ios:15.7(3.1s)m:::::::* cpe:2.3:o:cisco:ios:denali-16.3.6:::::::* cpe:2.3:o:cisco:ios:everest-16.5.1:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 31, 2020	Modified Analysis	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Apr 15, 2019	CVE Modified	[email protected]
Dec 31, 2018	Initial Analysis	[email protected]