Medium severity6.5NVD Advisory· Published Feb 3, 2017· Updated Jun 17, 2026
CVE-2017-3820
CVE-2017-3820
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:cisco:ios_xe:3.13.6s:*:*:*:*:*:*:*+ 2 more
- 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:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/95934nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-asrsnmpnvdVendor Advisory
- www.securitytracker.com/id/1037770nvd
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