fkie_cve-2023-36851
Vulnerability from fkie_nvd
Published
2023-09-27 15:18
Modified
2025-10-24 16:42
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.
With a specific request to
webauth_operation.php
that doesn't require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of
integrity or confidentiality, which may allow chaining to other vulnerabilities.
This issue affects Juniper Networks Junos OS on SRX Series:
*
21.2 versions prior to 21.2R3-S8;
* 21.4
versions prior to
21.4R3-S6;
* 22.1
versions prior to
22.1R3-S5;
* 22.2
versions prior to
22.2R3-S3;
* 22.3
versions prior to
22.3R3-S2;
* 22.4 versions prior to 22,4R2-S2, 22.4R3;
* 23.2 versions prior to
23.2R1-S2, 23.2R2.
References
Impacted products
{
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.\n\n\n\nWith a specific request to \n\nwebauth_operation.php\n\nthat doesn\u0027t require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of \n\nintegrity\u00a0or confidentiality, which may allow chaining to other vulnerabilities.\n\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n\n\n\n * \n\n21.2 versions prior to 21.2R3-S8;\n * 21.4 \n\nversions prior to \n\n21.4R3-S6;\n * 22.1 \n\nversions prior to \n\n22.1R3-S5;\n * 22.2 \n\nversions prior to \n\n22.2R3-S3;\n * 22.3 \n\nversions prior to \n\n22.3R3-S2;\n * 22.4 versions prior to 22,4R2-S2, 22.4R3;\n * 23.2 versions prior to \n\n23.2R1-S2,\u00a023.2R2.\n\n\n"
},
{
"lang": "es",
"value": "Una vulnerabilidad de autenticaci\u00f3n faltante para funciones cr\u00edticas en Juniper Networks Junos OS en la serie SRX permite que un atacante basado en red no autenticado cause un impacto limitado en la integridad del sistema de archivos. Con una solicitud espec\u00edfica a webauth_operation.php que no requiere autenticaci\u00f3n, un atacante puede cargar archivos arbitrarios a trav\u00e9s de J-Web, lo que provoca una p\u00e9rdida de integridad de una determinada parte del sistema de archivos, lo que puede permitir el encadenamiento a otras vulnerabilidades. . Este problema afecta a Juniper Networks Junos OS en la serie SRX: * Versiones 22.4 anteriores a 22,4R2-S2, 22.4R3; * Versiones 23.2 anteriores a 23.2R2."
}
],
"id": "CVE-2023-36851",
"lastModified": "2025-10-24T16:42:06.123",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
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"type": "Secondary"
},
{
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
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},
"exploitabilityScore": 3.9,
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"source": "nvd@nist.gov",
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"published": "2023-09-27T15:18:54.877",
"references": [
{
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"tags": [
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],
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},
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{
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"tags": [
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],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36851"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-306"
}
],
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"type": "Secondary"
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"value": "CWE-306"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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