CVE-2017-3820

Name: CVE-2017-3820
Creator: NVD / NIST
Published: 2017-02-03T07:59:00.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.80%

Last modified Jun 17, 2026

CVE-2017-3820 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.80% chance of exploitation in the next 30 days.

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

EPSS Probability

2.80%

84.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-665

Affected Software

Vendor	Product	Versions
Cisco	Ios Xe	3.13.6s
Cisco	Ios Xe	3.16.2s
Cisco	Ios Xe	3.17.1s

References

http://www.securityfocus.com/bid/95934Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037770
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-asrsnmpVendor Advisory
http://www.securityfocus.com/bid/95934Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037770
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-asrsnmpVendor Advisory

Timeline

Published: Feb 3, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-3820?

How severe is CVE-2017-3820?

Severity scoring for CVE-2017-3820 is pending analysis. The EPSS model estimates a 2.80% probability of exploitation in the next 30 days.

How do I fix CVE-2017-3820?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-3820?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST