CVE-2017-6663 (GCVE-0-2017-6663)
Vulnerability from cvelistv5 – Published: 2017-08-07 06:00 – Updated: 2025-10-21 23:55Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 22:09 UTC
CWE
- Denial of Service Vulnerability
- CWE-noinfo Not enough information
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1038999 | vdb-entryx_refsource_SECTRACK |
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/99973 | vdb-entryx_refsource_BID |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco IOS and IOS XE |
Affected:
Cisco IOS and IOS XE
|
Date Public
2017-08-07 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b044c82a-9e28-4c8b-9177-99ebecd2ad87
Exploited: Yes
Timestamps
First Seen: 2022-03-03
Asserted: 2022-03-03
Scope
Notes: Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability | Affected: Cisco / IOS and IOS XE Software | 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 denial-of-service (DoS). | Required action: Apply updates per vendor instructions. | Due date: 2022-03-24 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2017-6663
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | IOS and IOS XE Software |
| Due Date | 2022-03-24 |
| Date Added | 2022-03-03 |
| Vendorproject | Cisco |
| Vulnerabilityname | Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:10 CEST
| Updated: 2026-10-02 08:10 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: aa16d39f-0d94-47c9-83e3-2f899a3567e3
Exploited: Yes
Timestamps
First Seen: 2022-03-03
Asserted: 2022-03-03
Scope
Notes: A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent... | Affected: Cisco / Cisco IOS and IOS XE | CVSS: 6.5 (MEDIUM) | EPSS: 0.02117 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent... |
| Cve Id | CVE-2017-6663 |
| Vendor | Cisco |
| Ghsa Id | None |
| Product | Cisco IOS and IOS XE |
| Added Date | 2022-03-03T00:00:00.000Z |
| Cvss Score | 6.5 |
| Epss Score | 0.02117 |
| Previous Ids | |
| Cvss Severity | MEDIUM |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.81167 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2017-6663 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:10 CEST
| Updated: 2026-10-02 09:10 CEST
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"value": "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."
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]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Denial of Service Vulnerability"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "1038999",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1038999"
},
{
"name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170726-anidos",
"refsource": "CONFIRM",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170726-anidos"
},
{
"name": "99973",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/99973"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2017-6663",
"datePublished": "2017-08-07T06:00:00.000Z",
"dateReserved": "2017-03-09T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:55:36.078Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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