CVE-2023-20262 (GCVE-0-2023-20262)
Vulnerability from cvelistv5 – Published: 2023-09-27 17:16 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process crash, resulting in a DoS condition for SSH access only. This vulnerability does not prevent the system from continuing to function, and web UI access is not affected.
This vulnerability is due to insufficient resource management when an affected system is in an error condition. An attacker could exploit this vulnerability by sending malicious traffic to the affected system. A successful exploit could allow the attacker to cause the SSH process to crash and restart, resulting in a DoS condition for the SSH service.
Severity
5.3 (Medium)
CWE
- CWE-399 - Resource Management Errors
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco SD-WAN Solution |
Affected:
17.2.4
Affected: 17.2.5 Affected: 17.2.6 Affected: 17.2.7 Affected: 17.2.8 Affected: 17.2.9 Affected: 17.2.10 Affected: 18.2.0 Affected: 18.3.0 Affected: 18.3.1 Affected: 18.3.3 Affected: 18.3.3.1 Affected: 18.3.4 Affected: 18.3.5 Affected: 18.3.6 Affected: 18.3.7 Affected: 18.3.8 Affected: 18.4.0 Affected: 18.4.1 Affected: 18.4.0.1 Affected: 18.4.3 Affected: 18.4.302 Affected: 18.4.303 Affected: 18.4.4 Affected: 18.4.5 Affected: 18.4.6 Affected: 19.1.0 Affected: 19.2.0 Affected: 19.2.097 Affected: 19.2.099 Affected: 19.2.1 Affected: 19.2.2 Affected: 19.2.3 Affected: 19.2.929 Affected: 19.2.31 Affected: 19.2.4 Affected: 19.3.0 Affected: 20.1.1 Affected: 20.1.1.1 Affected: 20.1.11 Affected: 20.1.12 Affected: 20.1.2 Affected: 20.1.3 Affected: 20.1.3.1 Affected: 20.3.1 Affected: 20.3.2 Affected: 20.3.2.1 Affected: 20.3.3 Affected: 20.3.3.1 Affected: 20.3.4 Affected: 20.3.4.2 Affected: 20.3.4.1 Affected: 20.3.5 Affected: 20.3.6 Affected: 20.3.4.3 Affected: 20.3.5.1 Affected: 20.4.1 Affected: 20.4.1.1 Affected: 20.4.1.2 Affected: 20.4.2 Affected: 20.4.2.2 Affected: 20.4.2.1 Affected: 20.4.2.3 Affected: 20.5.1 Affected: 20.5.1.2 Affected: 20.5.1.1 Affected: 20.6.1 Affected: 20.6.1.1 Affected: 20.6.2.2 Affected: 20.6.2.1 Affected: 20.6.2 Affected: 20.6.3 Affected: 20.6.3.1 Affected: 20.6.4 Affected: 20.6.4.1 Affected: 20.6.5 Affected: 20.6.5.2 Affected: 20.6.3.2 Affected: 20.6.3.3 Affected: 20.6.1.2 Affected: 20.6.3.4 Affected: 20.6.4.2 Affected: 20.6.5.4 Affected: 20.6.5.5 Affected: 20.7.1 Affected: 20.7.1.1 Affected: 20.7.2 Affected: 20.8.1 Affected: 20.9.1 Affected: 20.9.2.3 Affected: 20.10.1.2 |
|
| Cisco | Cisco SD-WAN vManage |
Affected:
17.2.6
Affected: 17.2.7 Affected: 17.2.8 Affected: 17.2.9 Affected: 17.2.10 Affected: 17.2.4 Affected: 17.2.5 Affected: 18.3.1.1 Affected: 18.3.3.1 Affected: 18.3.3 Affected: 18.3.4 Affected: 18.3.5 Affected: 18.3.7 Affected: 18.3.8 Affected: 18.3.6.1 Affected: 18.3.1 Affected: 18.3.0 Affected: 18.4.0.1 Affected: 18.4.3 Affected: 18.4.302 Affected: 18.4.303 Affected: 18.4.4 Affected: 18.4.5 Affected: 18.4.0 Affected: 18.4.1 Affected: 18.4.6 Affected: 19.2.0 Affected: 19.2.097 Affected: 19.2.099 Affected: 19.2.1 Affected: 19.2.2 Affected: 19.2.3 Affected: 19.2.31 Affected: 19.2.929 Affected: 19.2.4 Affected: 20.1.1.1 Affected: 20.1.12 Affected: 20.1.1 Affected: 20.1.2 Affected: 20.1.3 Affected: 19.3.0 Affected: 19.1.0 Affected: 18.2.0 Affected: 20.3.1 Affected: 20.3.2 Affected: 20.3.2.1 Affected: 20.3.3 Affected: 20.3.3.1 Affected: 20.3.4 Affected: 20.3.4.1 Affected: 20.3.4.2 Affected: 20.3.5 Affected: 20.3.6 Affected: 20.3.4.3 Affected: 20.3.5.1 Affected: 20.4.1 Affected: 20.4.1.1 Affected: 20.4.1.2 Affected: 20.4.2 Affected: 20.4.2.2 Affected: 20.4.2.1 Affected: 20.4.2.3 Affected: 20.5.1 Affected: 20.5.1.2 Affected: 20.5.1.1 Affected: 20.6.1 Affected: 20.6.1.1 Affected: 20.6.2.1 Affected: 20.6.2.2 Affected: 20.6.2 Affected: 20.6.3 Affected: 20.6.1.2 Affected: 20.10.1 Affected: 20.10.1.1 Affected: 20.10.1.2 |
|
| Cisco | Cisco SD-WAN vSmart |
Affected:
N/A
|
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"value": "A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process crash, resulting in a DoS condition for SSH access only. This vulnerability does not prevent the system from continuing to function, and web UI access is not affected.\r\n\r This vulnerability is due to insufficient resource management when an affected system is in an error condition. An attacker could exploit this vulnerability by sending malicious traffic to the affected system. A successful exploit could allow the attacker to cause the SSH process to crash and restart, resulting in a DoS condition for the SSH service."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
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{
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"version": "18.4.302"
},
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "18.4.6"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "19.2.3"
},
{
"status": "affected",
"version": "19.2.929"
},
{
"status": "affected",
"version": "19.2.31"
},
{
"status": "affected",
"version": "19.2.4"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "20.1.1.1"
},
{
"status": "affected",
"version": "20.1.11"
},
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "20.1.2"
},
{
"status": "affected",
"version": "20.1.3"
},
{
"status": "affected",
"version": "20.1.3.1"
},
{
"status": "affected",
"version": "20.3.1"
},
{
"status": "affected",
"version": "20.3.2"
},
{
"status": "affected",
"version": "20.3.2.1"
},
{
"status": "affected",
"version": "20.3.3"
},
{
"status": "affected",
"version": "20.3.3.1"
},
{
"status": "affected",
"version": "20.3.4"
},
{
"status": "affected",
"version": "20.3.4.2"
},
{
"status": "affected",
"version": "20.3.4.1"
},
{
"status": "affected",
"version": "20.3.5"
},
{
"status": "affected",
"version": "20.3.6"
},
{
"status": "affected",
"version": "20.3.4.3"
},
{
"status": "affected",
"version": "20.3.5.1"
},
{
"status": "affected",
"version": "20.4.1"
},
{
"status": "affected",
"version": "20.4.1.1"
},
{
"status": "affected",
"version": "20.4.1.2"
},
{
"status": "affected",
"version": "20.4.2"
},
{
"status": "affected",
"version": "20.4.2.2"
},
{
"status": "affected",
"version": "20.4.2.1"
},
{
"status": "affected",
"version": "20.4.2.3"
},
{
"status": "affected",
"version": "20.5.1"
},
{
"status": "affected",
"version": "20.5.1.2"
},
{
"status": "affected",
"version": "20.5.1.1"
},
{
"status": "affected",
"version": "20.6.1"
},
{
"status": "affected",
"version": "20.6.1.1"
},
{
"status": "affected",
"version": "20.6.2.2"
},
{
"status": "affected",
"version": "20.6.2.1"
},
{
"status": "affected",
"version": "20.6.2"
},
{
"status": "affected",
"version": "20.6.3"
},
{
"status": "affected",
"version": "20.6.3.1"
},
{
"status": "affected",
"version": "20.6.4"
},
{
"status": "affected",
"version": "20.6.4.1"
},
{
"status": "affected",
"version": "20.6.5"
},
{
"status": "affected",
"version": "20.6.5.2"
},
{
"status": "affected",
"version": "20.6.3.2"
},
{
"status": "affected",
"version": "20.6.3.3"
},
{
"status": "affected",
"version": "20.6.1.2"
},
{
"status": "affected",
"version": "20.6.3.4"
},
{
"status": "affected",
"version": "20.6.4.2"
},
{
"status": "affected",
"version": "20.6.5.4"
},
{
"status": "affected",
"version": "20.6.5.5"
},
{
"status": "affected",
"version": "20.7.1"
},
{
"status": "affected",
"version": "20.7.1.1"
},
{
"status": "affected",
"version": "20.7.2"
},
{
"status": "affected",
"version": "20.8.1"
},
{
"status": "affected",
"version": "20.9.1"
},
{
"status": "affected",
"version": "20.9.2.3"
},
{
"status": "affected",
"version": "20.10.1.2"
}
]
},
{
"product": "Cisco SD-WAN vManage",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "17.2.6"
},
{
"status": "affected",
"version": "17.2.7"
},
{
"status": "affected",
"version": "17.2.8"
},
{
"status": "affected",
"version": "17.2.9"
},
{
"status": "affected",
"version": "17.2.10"
},
{
"status": "affected",
"version": "17.2.4"
},
{
"status": "affected",
"version": "17.2.5"
},
{
"status": "affected",
"version": "18.3.1.1"
},
{
"status": "affected",
"version": "18.3.3.1"
},
{
"status": "affected",
"version": "18.3.3"
},
{
"status": "affected",
"version": "18.3.4"
},
{
"status": "affected",
"version": "18.3.5"
},
{
"status": "affected",
"version": "18.3.7"
},
{
"status": "affected",
"version": "18.3.8"
},
{
"status": "affected",
"version": "18.3.6.1"
},
{
"status": "affected",
"version": "18.3.1"
},
{
"status": "affected",
"version": "18.3.0"
},
{
"status": "affected",
"version": "18.4.0.1"
},
{
"status": "affected",
"version": "18.4.3"
},
{
"status": "affected",
"version": "18.4.302"
},
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "18.4.0"
},
{
"status": "affected",
"version": "18.4.1"
},
{
"status": "affected",
"version": "18.4.6"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "19.2.3"
},
{
"status": "affected",
"version": "19.2.31"
},
{
"status": "affected",
"version": "19.2.929"
},
{
"status": "affected",
"version": "19.2.4"
},
{
"status": "affected",
"version": "20.1.1.1"
},
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "20.1.2"
},
{
"status": "affected",
"version": "20.1.3"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "18.2.0"
},
{
"status": "affected",
"version": "20.3.1"
},
{
"status": "affected",
"version": "20.3.2"
},
{
"status": "affected",
"version": "20.3.2.1"
},
{
"status": "affected",
"version": "20.3.3"
},
{
"status": "affected",
"version": "20.3.3.1"
},
{
"status": "affected",
"version": "20.3.4"
},
{
"status": "affected",
"version": "20.3.4.1"
},
{
"status": "affected",
"version": "20.3.4.2"
},
{
"status": "affected",
"version": "20.3.5"
},
{
"status": "affected",
"version": "20.3.6"
},
{
"status": "affected",
"version": "20.3.4.3"
},
{
"status": "affected",
"version": "20.3.5.1"
},
{
"status": "affected",
"version": "20.4.1"
},
{
"status": "affected",
"version": "20.4.1.1"
},
{
"status": "affected",
"version": "20.4.1.2"
},
{
"status": "affected",
"version": "20.4.2"
},
{
"status": "affected",
"version": "20.4.2.2"
},
{
"status": "affected",
"version": "20.4.2.1"
},
{
"status": "affected",
"version": "20.4.2.3"
},
{
"status": "affected",
"version": "20.5.1"
},
{
"status": "affected",
"version": "20.5.1.2"
},
{
"status": "affected",
"version": "20.5.1.1"
},
{
"status": "affected",
"version": "20.6.1"
},
{
"status": "affected",
"version": "20.6.1.1"
},
{
"status": "affected",
"version": "20.6.2.1"
},
{
"status": "affected",
"version": "20.6.2.2"
},
{
"status": "affected",
"version": "20.6.2"
},
{
"status": "affected",
"version": "20.6.3"
},
{
"status": "affected",
"version": "20.6.1.2"
},
{
"status": "affected",
"version": "20.10.1"
},
{
"status": "affected",
"version": "20.10.1.1"
},
{
"status": "affected",
"version": "20.10.1.2"
}
]
},
{
"product": "Cisco SD-WAN vSmart",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "N/A"
}
]
}
],
"source": "psirt@cisco.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "41D2CD47-67C0-47B3-9BB8-889A7245FBAD",
"versionEndExcluding": "20.9.3",
"versionStartIncluding": "20.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:*",
"matchCriteriaId": "39FEB958-7035-4AB2-95D3-316D72D544EB",
"versionEndExcluding": "20.3.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:*",
"matchCriteriaId": "03133A84-35B3-4FF9-86EA-3C13738E2AE2",
"versionEndExcluding": "20.11.1",
"versionStartIncluding": "20.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:cisco:sd-wan_vmanage:20.12:*:*:*:*:*:*:*",
"matchCriteriaId": "06E19EEE-FE9E-4E6C-AE79-CFB14FDF37F3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process crash, resulting in a DoS condition for SSH access only. This vulnerability does not prevent the system from continuing to function, and web UI access is not affected.\r\n\r This vulnerability is due to insufficient resource management when an affected system is in an error condition. An attacker could exploit this vulnerability by sending malicious traffic to the affected system. A successful exploit could allow the attacker to cause the SSH process to crash and restart, resulting in a DoS condition for the SSH service."
},
{
"lang": "es",
"value": "Una vulnerabilidad en el servicio SSH de Cisco Catalyst SD-WAN Manager podr\u00eda permitir que un atacante remoto no autenticado provoque una falla del proceso, lo que resultar\u00eda en una condici\u00f3n de DoS solo para el acceso SSH. Esta vulnerabilidad no impide que el sistema siga funcionando y el acceso a la interfaz de usuario web no se ve afectado. Esta vulnerabilidad se debe a una gesti\u00f3n insuficiente de los recursos cuando un sistema afectado se encuentra en una condici\u00f3n de error. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando tr\u00e1fico malicioso al sistema afectado. Un exploit exitoso podr\u00eda permitir al atacante provocar que el proceso SSH se bloquee y se reinicie, lo que resultar\u00eda en una condici\u00f3n DoS para el servicio SSH."
}
],
"id": "CVE-2023-20262",
"lastModified": "2026-06-17T05:30:11.140",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "psirt@cisco.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-09-27T18:15:11.757",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vman-sc-LRLfu2z"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vman-sc-LRLfu2z"
}
],
"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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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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