CVE-2020-26071 (GCVE-0-2020-26071)
Vulnerability from cvelistv5 – Published: 2024-11-18 16:05 – Updated: 2024-11-18 16:23
VLAI
EPSS
VEX
Title
Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability
Summary
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.
The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-18 16:23 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager |
Affected:
20.1.12
Affected: 19.2.1 Affected: 18.4.4 Affected: 18.4.5 Affected: 20.1.1.1 Affected: 20.1.1 Affected: 19.3.0 Affected: 19.2.2 Affected: 19.2.099 Affected: 18.3.6 Affected: 18.3.7 Affected: 19.2.0 Affected: 18.3.8 Affected: 19.0.0 Affected: 19.1.0 Affected: 18.4.302 Affected: 18.4.303 Affected: 19.2.097 Affected: 19.2.098 Affected: 17.2.10 Affected: 18.3.6.1 Affected: 19.0.1a Affected: 18.2.0 Affected: 18.4.3 Affected: 18.4.1 Affected: 17.2.8 Affected: 18.3.3.1 Affected: 18.4.0 Affected: 18.3.1 Affected: 17.2.6 Affected: 17.2.9 Affected: 18.3.4 Affected: 17.2.5 Affected: 18.3.1.1 Affected: 18.3.5 Affected: 18.4.0.1 Affected: 18.3.3 Affected: 17.2.7 Affected: 17.2.4 Affected: 18.3.0 Affected: 19.2.3 Affected: 18.4.501_ES |
|
| Cisco | Cisco SD-WAN vContainer |
Affected:
18.4.5
Affected: 20.1.12 Affected: 18.3.6 Affected: 19.2.1 Affected: 19.3.0 Affected: 20.1.1 Affected: 19.2.2 Affected: 18.3.8 Affected: 18.4.3 Affected: 18.4.4 Affected: 18.4.302 Affected: 19.1.0 Affected: 18.4.303 Affected: 19.2.0 Affected: 19.2.098 Affected: 17.2.10 Affected: 18.3.7 Affected: 18.3.1 Affected: 19.2.099 Affected: 19.2.097 Affected: 18.3.4 Affected: 18.2.0 Affected: 18.3.5 Affected: 18.4.1 Affected: 17.2.5 Affected: 17.2.7 Affected: 17.2.8 Affected: 17.2.9 Affected: 18.4.0 Affected: 17.2.6 Affected: 18.3.0 Affected: 17.2.4 Affected: 18.3.3 Affected: 19.2.3 |
|
| Cisco | Cisco SD-WAN vEdge Cloud |
Affected:
19.2.1
Affected: 20.1.12 Affected: 18.4.4 Affected: 19.3.0 Affected: 18.3.8 Affected: 19.2.2 Affected: 20.1.1 Affected: 18.3.6 Affected: 18.4.3 Affected: 18.4.302 Affected: 18.4.5 Affected: 18.4.303 Affected: 19.2.098 Affected: 19.1.0 Affected: 17.2.10 Affected: 19.0.1a Affected: 19.2.099 Affected: 18.3.7 Affected: 19.2.097 Affected: 18.3.1 Affected: 19.2.0 Affected: 17.2.9 Affected: 18.3.4 Affected: 18.2.0 Affected: 18.4.1 Affected: 17.2.5 Affected: 18.4.0 Affected: 18.3.5 Affected: 18.3.3 Affected: 17.2.7 Affected: 17.2.6 Affected: 17.2.8 Affected: 18.3.0 Affected: 17.2.4 Affected: 19.2.3 |
|
| Cisco | Cisco SD-WAN vEdge Router |
Affected:
18.4.303
Affected: 18.3.7 Affected: 19.3.0 Affected: 18.2.0 Affected: 20.1.12 Affected: 19.2.099 Affected: 17.2.10 Affected: 18.3.3 Affected: 18.3.6 Affected: 19.0.0 Affected: 17.2.6 Affected: 18.4.0 Affected: 19.1.01 Affected: 19.2.098 Affected: 18.3.1 Affected: 18.4.302 Affected: 19.2.2 Affected: 18.3.5 Affected: 17.2.9 Affected: 19.1.0 Affected: 20.1.11 Affected: 19.2.097 Affected: 18.4.5 Affected: 17.2.5 Affected: 17.2.8 Affected: 18.3.8 Affected: 18.3.0 Affected: 18.4.3 Affected: 18.4.4 Affected: 19.2.1 Affected: 17.2.4 Affected: 18.3.4 Affected: 19.0.1a Affected: 20.1.1 Affected: 17.2.7 Affected: 18.4.1 Affected: 19.2.0 Affected: 19.2.3 |
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"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco\u00a0Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X",
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{
"descriptions": [
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"description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
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]
}
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"name": "cisco-sa-vsoln-arbfile-gtsEYxns",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns"
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"timestamp": "2024-11-18T16:23:33.627962Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-11-18T16:23:37.770Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Catalyst SD-WAN Manager",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "20.1.1.1"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "18.3.6"
},
{
"status": "affected",
"version": "18.3.7"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "18.3.8"
},
{
"status": "affected",
"version": "19.0.0"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "18.4.302"
},
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "19.2.098"
},
{
"status": "affected",
"version": "17.2.10"
},
{
"status": "affected",
"version": "18.3.6.1"
},
{
"status": "affected",
"version": "19.0.1a"
},
{
"status": "affected",
"version": "18.2.0"
},
{
"status": "affected",
"version": "18.4.3"
},
{
"status": "affected",
"version": "18.4.1"
},
{
"status": "affected",
"version": "17.2.8"
},
{
"status": "affected",
"version": "18.3.3.1"
},
{
"status": "affected",
"version": "18.4.0"
},
{
"status": "affected",
"version": "18.3.1"
},
{
"status": "affected",
"version": "17.2.6"
},
{
"status": "affected",
"version": "17.2.9"
},
{
"status": "affected",
"version": "18.3.4"
},
{
"status": "affected",
"version": "17.2.5"
},
{
"status": "affected",
"version": "18.3.1.1"
},
{
"status": "affected",
"version": "18.3.5"
},
{
"status": "affected",
"version": "18.4.0.1"
},
{
"status": "affected",
"version": "18.3.3"
},
{
"status": "affected",
"version": "17.2.7"
},
{
"status": "affected",
"version": "17.2.4"
},
{
"status": "affected",
"version": "18.3.0"
},
{
"status": "affected",
"version": "19.2.3"
},
{
"status": "affected",
"version": "18.4.501_ES"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco SD-WAN vContainer",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "18.3.6"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "18.3.8"
},
{
"status": "affected",
"version": "18.4.3"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "18.4.302"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "19.2.098"
},
{
"status": "affected",
"version": "17.2.10"
},
{
"status": "affected",
"version": "18.3.7"
},
{
"status": "affected",
"version": "18.3.1"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "18.3.4"
},
{
"status": "affected",
"version": "18.2.0"
},
{
"status": "affected",
"version": "18.3.5"
},
{
"status": "affected",
"version": "18.4.1"
},
{
"status": "affected",
"version": "17.2.5"
},
{
"status": "affected",
"version": "17.2.7"
},
{
"status": "affected",
"version": "17.2.8"
},
{
"status": "affected",
"version": "17.2.9"
},
{
"status": "affected",
"version": "18.4.0"
},
{
"status": "affected",
"version": "17.2.6"
},
{
"status": "affected",
"version": "18.3.0"
},
{
"status": "affected",
"version": "17.2.4"
},
{
"status": "affected",
"version": "18.3.3"
},
{
"status": "affected",
"version": "19.2.3"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco SD-WAN vEdge Cloud",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "18.3.8"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "18.3.6"
},
{
"status": "affected",
"version": "18.4.3"
},
{
"status": "affected",
"version": "18.4.302"
},
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "19.2.098"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "17.2.10"
},
{
"status": "affected",
"version": "19.0.1a"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "18.3.7"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "18.3.1"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "17.2.9"
},
{
"status": "affected",
"version": "18.3.4"
},
{
"status": "affected",
"version": "18.2.0"
},
{
"status": "affected",
"version": "18.4.1"
},
{
"status": "affected",
"version": "17.2.5"
},
{
"status": "affected",
"version": "18.4.0"
},
{
"status": "affected",
"version": "18.3.5"
},
{
"status": "affected",
"version": "18.3.3"
},
{
"status": "affected",
"version": "17.2.7"
},
{
"status": "affected",
"version": "17.2.6"
},
{
"status": "affected",
"version": "17.2.8"
},
{
"status": "affected",
"version": "18.3.0"
},
{
"status": "affected",
"version": "17.2.4"
},
{
"status": "affected",
"version": "19.2.3"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco SD-WAN vEdge Router",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "18.4.303"
},
{
"status": "affected",
"version": "18.3.7"
},
{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "18.2.0"
},
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "19.2.099"
},
{
"status": "affected",
"version": "17.2.10"
},
{
"status": "affected",
"version": "18.3.3"
},
{
"status": "affected",
"version": "18.3.6"
},
{
"status": "affected",
"version": "19.0.0"
},
{
"status": "affected",
"version": "17.2.6"
},
{
"status": "affected",
"version": "18.4.0"
},
{
"status": "affected",
"version": "19.1.01"
},
{
"status": "affected",
"version": "19.2.098"
},
{
"status": "affected",
"version": "18.3.1"
},
{
"status": "affected",
"version": "18.4.302"
},
{
"status": "affected",
"version": "19.2.2"
},
{
"status": "affected",
"version": "18.3.5"
},
{
"status": "affected",
"version": "17.2.9"
},
{
"status": "affected",
"version": "19.1.0"
},
{
"status": "affected",
"version": "20.1.11"
},
{
"status": "affected",
"version": "19.2.097"
},
{
"status": "affected",
"version": "18.4.5"
},
{
"status": "affected",
"version": "17.2.5"
},
{
"status": "affected",
"version": "17.2.8"
},
{
"status": "affected",
"version": "18.3.8"
},
{
"status": "affected",
"version": "18.3.0"
},
{
"status": "affected",
"version": "18.4.3"
},
{
"status": "affected",
"version": "18.4.4"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "17.2.4"
},
{
"status": "affected",
"version": "18.3.4"
},
{
"status": "affected",
"version": "19.0.1a"
},
{
"status": "affected",
"version": "20.1.1"
},
{
"status": "affected",
"version": "17.2.7"
},
{
"status": "affected",
"version": "18.4.1"
},
{
"status": "affected",
"version": "19.2.0"
},
{
"status": "affected",
"version": "19.2.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco\u00a0Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-11-18T16:05:35.221Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-vsoln-arbfile-gtsEYxns",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns"
}
],
"source": {
"advisory": "cisco-sa-vsoln-arbfile-gtsEYxns",
"defects": [
"CSCvv09807"
],
"discovery": "INTERNAL"
},
"title": "Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2020-26071",
"datePublished": "2024-11-18T16:05:35.221Z",
"dateReserved": "2020-09-24T00:00:00.000Z",
"dateUpdated": "2024-11-18T16:23:51.429Z",
"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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