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CVE-2017-3820 Details

Description

A vulnerability in Simple Network Management Protocol (SNMP) functions of Cisco ASR 1000 Series Aggregation Services Routers running Cisco IOS XE Software Release 3.13.6S, 3.16.2S, or 3.17.1S could allow an authenticated, remote attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. More Information: CSCux68796. Known Affected Releases: 15.5(3)S2.1 15.6(1)S1.1. Known Fixed Releases: 15.4(3)S6.1 15.4(3)S6.2 15.5(3)S2.2 15.5(3)S3 15.6(0.22)S0.23 15.6(1)S2 16.2(0.295) 16.3(0.94) 15.5.3S3.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-asrsnmp	CVE	Vendor Advisory
http://www.securityfocus.com/bid/95934	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037770	CVE
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-asrsnmp	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/95934	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037770	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-665	Improper Initialization	[email protected]

Affected Products

Product	Versions
cisco ios xe	3.13.6s 3.16.2s 3.17.1s
CPE cpe:2.3:o:cisco:ios_xe:3.13.6s:::::::* cpe:2.3:o:cisco:ios_xe:3.16.2s:::::::* cpe:2.3:o:cisco:ios_xe:3.17.1s:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Jul 25, 2017	CVE Modified	[email protected]
Feb 27, 2017	Initial Analysis	[email protected]
Feb 4, 2017	CVE Modified	[email protected]