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TI-2017-02917 Aliases CVE-2017-3820GHSA-4jfr-3638-m4hp

A vulnerability in Simple Network Management Protocol (SNMP) functions of Cisco ASR 1000…

Priority LOW 34CWE-665Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02804 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco IOS XE 15.xCisco IOS XE 15.x—No fix listedCNA
  • Cisco IOS XE 15.x Vendor— Affected Cisco IOS XE 15.x Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios_xe:3.13.6s:*:*:*:*:*:*:*3.13.6sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.16.2s:*:*:*:*:*:*:*3.16.2sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:*3.17.1sVulnerableCisco
  • cpe:2.3:o:cisco:ios_xe:3.13.6s:*:*:*:*:*:*:* Versions 3.13.6s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.16.2s:*:*:*:*:*:*:* Versions 3.16.2s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:* Versions 3.17.1s Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-3820
  2. 2026-10-03 Alias added: GHSA-4jfr-3638-m4hp

References

Advisory 1

  • TI-2023-06904 Cisco is providing an update for the ongoing investigation into observed exploitation of… KEVCVSS 3.1CRITICAL 10.0
  • TI-2018-00122 Memory corruption in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04497 Memory corruption in Cisco IOS XE Software KEVCVSS 3.1HIGH 8.8
See all 561 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences