CVE-2017-6608 (GCVE-0-2017-6608)
Vulnerability from cvelistv5 – Published: 2017-04-20 22:00 – Updated: 2024-08-05 15:33
VLAI
EPSS
VEX
Summary
A vulnerability in the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) code of Cisco ASA Software could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of crafted SSL or TLS packets. An attacker could exploit this vulnerability by sending a crafted packet to the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed and transparent firewall mode and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic. A valid SSL or TLS session is needed to exploit this vulnerability. This vulnerability affects Cisco ASA Software running on the following products: Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance. Fixed versions: 8.4(7.31) 9.0(4.39) 9.1(7) 9.2(4.6) 9.3(3.8) 9.4(2) 9.5(2). Cisco Bug IDs: CSCuv48243.
Severity
8.6 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/97937 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1038315 | vdb-entryx_refsource_SECTRACK |
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Cisco ASA Software |
Affected:
Cisco ASA Software
|
Date Public
2017-04-20 00:00
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"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "ED33F68A-9EB0-416A-A0A5-0DF2C349FFEE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "7F7DD812-DC72-4816-8B0F-361C32B2CD2F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.3:*:*:*:*:*:*:*",
"matchCriteriaId": "EC41D4CD-D5EA-4678-B3AA-962C7C937118",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.3.1:*:*:*:*:*:*:*",
"matchCriteriaId": "996C9552-5743-4639-A077-5B057605DF21",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "A5779CE0-7691-47DA-902C-4D32D6650C9D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.3.5:*:*:*:*:*:*:*",
"matchCriteriaId": "0C69BE69-7C19-4ED3-98D3-04B1D41E56FE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3.3.6:*:*:*:*:*:*:*",
"matchCriteriaId": "E7D12EFD-71D6-480E-97D5-278CCE4A7118",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.0.115:*:*:*:*:*:*:*",
"matchCriteriaId": "F8F53875-D589-4C34-B863-67AC9945BED8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "8870EB6E-DAE9-45F9-BBA5-2D20E5E00F83",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "8B313B0E-4200-427F-A156-1EDA681F439D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "B8C49821-3BA5-4B44-84F5-113024FD030F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "2011F264-53A5-4507-843B-46F66D285ADB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4.1.5:*:*:*:*:*:*:*",
"matchCriteriaId": "290AA0BD-EDB0-4BA4-BF85-9CF29A1B7908",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "E29F95F5-6957-46F0-A0A2-CCACBBA14F90",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) code of Cisco ASA Software could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of crafted SSL or TLS packets. An attacker could exploit this vulnerability by sending a crafted packet to the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed and transparent firewall mode and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic. A valid SSL or TLS session is needed to exploit this vulnerability. This vulnerability affects Cisco ASA Software running on the following products: Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance. Fixed versions: 8.4(7.31) 9.0(4.39) 9.1(7) 9.2(4.6) 9.3(3.8) 9.4(2) 9.5(2). Cisco Bug IDs: CSCuv48243."
},
{
"lang": "es",
"value": "Una vulnerabilidad en los c\u00f3digos Secure Sockets Layer (SSL) y Transport Layer Security (TLS) de Cisco ASA Software podr\u00eda permitir a un atacante remoto no autenticado provocar una recarga del sistema afectado. La vulnerabilidad se debe a un an\u00e1lisis incorrecto de los paquetes SSL o TLS manipulados. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete manipulado al sistema afectado. Nota: S\u00f3lo se puede utilizar el tr\u00e1fico dirigido al sistema afectado para explotar esta vulnerabilidad. Esta vulnerabilidad afecta a los sistemas configurados en modo de firewall enrutado y transparente y en modo de contexto \u00fanico o m\u00faltiple. Esta vulnerabilidad puede ser provocada por el tr\u00e1fico IPv4 e IPv6. Se necesita una sesi\u00f3n SSL o TLS v\u00e1lida para aprovechar esta vulnerabilidad. Esta vulnerabilidad afecta al Cisco ASA Software que se ejecuta en los siguientes productos: Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance. Versiones fijadas: 8.4(7.31) 9.0(4.39) 9.1(7) 9.2(4.6) 9.3(3.8) 9.4(2) 9.5(2). Cisco Bug IDs: CSCuv48243."
}
],
"id": "CVE-2017-6608",
"lastModified": "2026-05-13T00:24:29.033",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-04-20T22:59:00.543",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/97937"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securitytracker.com/id/1038315"
},
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-asa-tls"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/97937"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1038315"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-asa-tls"
}
],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "psirt@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.