CVE-2022-22238 (GCVE-0-2022-22238)
Vulnerability from cvelistv5 – Published: 2022-10-18 02:46 – Updated: 2025-05-10 02:35
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: The rpd process will crash when a malformed incoming RESV message is processed
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-10 02:35 UTC
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69894 |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
unspecified , < 19.2R3-S6
(custom)
Affected: 19.3 , < 19.3R3-S6 (custom) Affected: 19.4 , < 19.4R3-S8 (custom) Affected: 20.1 , < 20.1R3-S2 (custom) Affected: 20.2 , < 20.2R3-S3 (custom) Affected: 20.3 , < 20.3R3-S2 (custom) Affected: 20.4 , < 20.4R3-S1 (custom) Affected: 21.1 , < 21.1R3 (custom) Affected: 21.2 , < 21.2R1-S2, 21.2R3 (custom) Affected: 21.3 , < 21.3R2 (custom) |
guessed | |
| Juniper Networks | Junos OS Evolved |
Affected:
unspecified , < 20.2R3-S3-EVO
(custom)
Affected: 20.3R1-EVO , < 20.3-EVO* (custom) Affected: 20.4-EVO , < 20.4R3-S1-EVO (custom) Affected: 21.1R1-EVO , < 21.1-EVO* (custom) Affected: 21.2R1-EVO , < 21.2-EVO* (custom) Affected: 21.3-EVO , < 21.3R2-EVO (custom) |
guessed |
Date Public
2022-10-12 00:00
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"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO."
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"value": "Una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales en el demonio de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante adyacente no autenticado causar una Denegaci\u00f3n de Servicio (DoS). Cuando un mensaje RESV entrante correspondiente a un LSP protegido est\u00e1 malformado, causa un estado interno incorrecto que da lugar a un n\u00facleo de rpd. Este problema afecta a: Juniper Networks Junos OS Todas las versiones anteriores a 19.2R3-S6; 19.3 versiones anteriores a 19.3R3-S6; 19.4 versiones anteriores a 19.4R3-S8; 20.1 versiones anteriores a 20.1R3-S2; 20.2 versiones anteriores a 20. 2R3-S3; 20.3 versiones anteriores a 20.3R3-S2; 20.4 versiones anteriores a 20.4R3-S1; 21.1 versiones anteriores a 21.1R3; 21.2 versiones anteriores a 21.2R1-S2, 21.2R3; 21.3 versiones anteriores a 21.3R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.2R3-S3-EVO; 20.3-EVO versi\u00f3n 20.3R1-EVO y versiones posteriores; 20.4-EVO versiones anteriores a 20.4R3-S1-EVO; 21.1-EVO versi\u00f3n 21.1R1-EVO y versiones posteriores; 21.2-EVO versi\u00f3n 21.2R1-EVO y versiones posteriores; 21.3-EVO versiones anteriores a 21.3R2-EVO"
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"matchCriteriaId": "4EC38173-44AB-43D5-8C27-CB43AD5E0B2E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:*",
"matchCriteriaId": "5A4DD04A-DE52-46BE-8C34-8DB47F7500F0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:*",
"matchCriteriaId": "FEE0E145-8E1C-446E-90ED-237E3B9CAF47",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales en el demonio de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante adyacente no autenticado causar una Denegaci\u00f3n de Servicio (DoS). Cuando un mensaje RESV entrante correspondiente a un LSP protegido est\u00e1 malformado, causa un estado interno incorrecto que da lugar a un n\u00facleo de rpd. Este problema afecta a: Juniper Networks Junos OS Todas las versiones anteriores a 19.2R3-S6; 19.3 versiones anteriores a 19.3R3-S6; 19.4 versiones anteriores a 19.4R3-S8; 20.1 versiones anteriores a 20.1R3-S2; 20.2 versiones anteriores a 20. 2R3-S3; 20.3 versiones anteriores a 20.3R3-S2; 20.4 versiones anteriores a 20.4R3-S1; 21.1 versiones anteriores a 21.1R3; 21.2 versiones anteriores a 21.2R1-S2, 21.2R3; 21.3 versiones anteriores a 21.3R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.2R3-S3-EVO; 20.3-EVO versi\u00f3n 20.3R1-EVO y versiones posteriores; 20.4-EVO versiones anteriores a 20.4R3-S1-EVO; 21.1-EVO versi\u00f3n 21.1R1-EVO y versiones posteriores; 21.2-EVO versi\u00f3n 21.2R1-EVO y versiones posteriores; 21.3-EVO versiones anteriores a 21.3R2-EVO"
}
],
"id": "CVE-2022-22238",
"lastModified": "2026-06-17T04:28:04.873",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6,
"source": "sirt@juniper.net",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
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],
"role": "CISA Coordinator",
"timestamp": "2025-05-10T02:35:40.270232Z",
"version": "2.0.3"
}
}
]
},
"published": "2022-10-18T03:15:10.747",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
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],
"url": "https://kb.juniper.net/JSA69894"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://kb.juniper.net/JSA69894"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"source": "sirt@juniper.net",
"type": "Secondary"
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"description": [
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"lang": "en",
"value": "CWE-754"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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}
},
"redhat_vex": {
"current_release_date": "2025-05-29T03:14:24+00:00",
"cve": "CVE-2022-22238",
"id": "CVE-2022-22238",
"initial_release_date": "2022-10-12T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Junos OS and Junos OS Evolved: The rpd process will crash when a malformed incoming RESV message is processed",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-22238.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
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"dateUpdated": "2024-08-03T03:07:50.170Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
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"url": "https://kb.juniper.net/JSA69894"
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],
"title": "CVE Program Container"
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{
"metrics": [
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"other": {
"content": {
"id": "CVE-2022-22238",
"options": [
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"Exploitation": "none"
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{
"Automatable": "no"
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{
"Technical Impact": "partial"
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"role": "CISA Coordinator",
"timestamp": "2025-05-10T02:35:40.270232Z",
"version": "2.0.3"
},
"type": "ssvc"
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"dateUpdated": "2025-05-10T02:35:52.483Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"title": "CISA ADP Vulnrichment"
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"cna": {
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"versions": [
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{
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{
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"status": "affected",
"version": "21.1",
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{
"lessThan": "21.2R1-S2, 21.2R3",
"status": "affected",
"version": "21.2",
"versionType": "custom"
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{
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"versions": [
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"status": "affected",
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"lessThan": "20.3-EVO*",
"status": "affected",
"version": "20.3R1-EVO",
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},
{
"lessThan": "20.4R3-S1-EVO",
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{
"lessThan": "21.1-EVO*",
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{
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],
"configurations": [
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}
],
"datePublic": "2022-10-12T00:00:00.000Z",
"descriptions": [
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"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO."
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],
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}
],
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"state": "PUBLISHED"
},
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}
}
}
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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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