FKIE_CVE-2023-22416
Vulnerability from fkie_nvd - Published: 2023-01-13 00:15 - Updated: 2026-06-17 05:35
Severity
Summary
A Buffer Overflow vulnerability in SIP ALG of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On all MX Series and SRX Series platform with SIP ALG enabled, when a malformed SIP packet is received, the flow processing daemon (flowd) will crash and restart. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R1-S2, 22.1R2; 22.2 versions prior to 22.2R1-S1, 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on SRX Series.
References
| URL | Tags | ||
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/JSA70212 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/JSA70212 | Vendor Advisory |
Impacted products
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"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx5000:-:*:*:*:*:*:*:*",
"matchCriteriaId": "5ABA347C-3EF3-4F75-B4D1-54590A57C2BC",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx5400:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2FDDC897-747F-44DD-9599-7266F9B5B7B1",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*",
"matchCriteriaId": "62FC145A-D477-4C86-89E7-F70F52773801",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx550_hm:-:*:*:*:*:*:*:*",
"matchCriteriaId": "06685D0E-A075-49A5-9EF4-34F0F795C8C6",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx550m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "52F0B735-8C49-4B08-950A-296C9CDE43CA",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*",
"matchCriteriaId": "68CA098D-CBE4-4E62-9EC0-43E1B6098710",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*",
"matchCriteriaId": "66F474D4-79B6-4525-983C-9A9011BD958B",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8AA424D4-4DBF-4E8C-96B8-E37741B5403E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Buffer Overflow vulnerability in SIP ALG of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On all MX Series and SRX Series platform with SIP ALG enabled, when a malformed SIP packet is received, the flow processing daemon (flowd) will crash and restart. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R1-S2, 22.1R2; 22.2 versions prior to 22.2R1-S1, 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on SRX Series."
},
{
"lang": "es",
"value": "Una vulnerabilidad de desbordamiento de b\u00fafer en SIP ALG de Juniper Networks Junos OS permite que un atacante no autenticado basado en la red provoque una denegaci\u00f3n de servicio (DoS). En todas las plataformas de las series MX y SRX con SIP ALG habilitado, cuando se recibe un paquete SIP con formato incorrecto, el demonio de procesamiento de flujo (flowd) fallar\u00e1 y se reiniciar\u00e1. Este problema afecta a: Juniper Networks Junos OS en las versiones MX Series y SRX Series 20.4 anteriores a 20.4R3-S5; Versiones 21.1 anteriores a 21.1R3-S4; Versiones 21.2 anteriores a 21.2R3-S2; Versiones 21.3 anteriores a 21.3R3-S1; Versiones 21.4 anteriores a 21.4R3; Versiones 22.1 anteriores a 22.1R1-S2, 22.1R2; Versiones 22.2 anteriores a 22.2R1-S1, 22.2R2. Este problema no afecta a las versiones de Juniper Networks Junos OS anteriores a 20.4R1 en la serie SRX."
}
],
"id": "CVE-2023-22416",
"lastModified": "2026-06-17T05:35:24.323",
"metrics": {
"cvssMetricV31": [
{
"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": "sirt@juniper.net",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-22416",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-08T16:48:36.598429Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-01-13T00:15:11.753",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "https://kb.juniper.net/JSA70212"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://kb.juniper.net/JSA70212"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "sirt@juniper.net",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"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
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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.