CVE-2017-6663
Summary
| CVE | CVE-2017-6663 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-08-07 06:29:00 UTC |
| Updated | 2026-04-22 15:45:53 UTC |
| Description | A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in a denial of service (DoS) condition. More Information: CSCvd88936. Known Affected Releases: Denali-16.2.1 Denali-16.3.1. |
Risk And Classification
Primary CVSS: v3.1 6.5 MEDIUM from [email protected]
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.025660000 probability, percentile 0.855820000 (date 2026-04-25)
CISA KEV: Listed on 2022-03-03; due 2022-03-24; ransomware use Unknown
Problem Types: NVD-CWE-noinfo | Denial of Service Vulnerability | CWE-noinfo Not enough information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 6.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | ADP | DECLARED | 6.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:A/AC:L/Au:N/C:N/I:N/A:C
CISA Known Exploited Vulnerability
| Vendor | Cisco |
|---|---|
| Product | IOS and IOS XE Software |
| Name | Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2017-6663 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios | 15.2\(3a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3a\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3m\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3m\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3m\)e6 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3m\)e8 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e4 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e5 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5b\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s10 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s1a | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s6 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s7 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s8 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s8a | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s9 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s5a | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s6 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s6a | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s6b | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s7 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s7a | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s8 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s0a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s1a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s2a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s2b | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s3a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s4a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s4b | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s4d | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)sn | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s1a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t0a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s0a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sn | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp1b | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp1c | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp2a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp3 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t3 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m0a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m1b | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m2a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m3 | All | All | All |
| Operating System | Cisco | Ios | 15.7\(3\)m | All | All | All |
| Operating System | Cisco | Ios Xe | 16.6.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.8as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.8s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.5as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.6as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.7as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.8s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.2as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.3as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4ds | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1bsp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.2asp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.2sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.3sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0ex | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.2e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.1e | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Cisco IOS And IOS XE | affected Cisco IOS and IOS XE | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| Cisco IOS and IOS XE Software Autonomic Networking Infrastructure Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Cisco IOS/IOS XE Autonomic Networking Bug Lets Remote Users Cause the Target System to Reload - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry, Broken Link |
| Cisco IOS and IOS XE Software CVE-2017-6663 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry, Broken Link |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-03-03T00:00:00.000Z | CVE-2017-6663 added to CISA KEV |
There are currently no legacy QID mappings associated with this CVE.