CVE-2021-31351 (GCVE-0-2021-31351)
Vulnerability from cvelistv5 – Published: 2021-10-19 18:16 – Updated: 2024-09-17 01:26
VLAI?
Summary
An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects specific versions of Juniper Networks Junos OS on MX Series: 17.3R3-S11; 17.4R2-S13; 17.4R3 prior to 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19.4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; This issue does not affect any version of Juniper Networks Junos OS prior to 15.1X49-D240;
Severity ?
7.5 (High)
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
- Denial of Service (DoS)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 15.1
(custom)
Unaffected: 17.3 , < 17.3R3-S11 (custom) Unaffected: 17.4R3 , < 17.4* (custom) |
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"descriptions": "[{\"lang\": \"en\", \"value\": \"An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects specific versions of Juniper Networks Junos OS on MX Series: 17.3R3-S11; 17.4R2-S13; 17.4R3 prior to 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19.4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; This issue does not affect any version of Juniper Networks Junos OS prior to 15.1X49-D240;\"}, {\"lang\": \"es\", \"value\": \"Una comprobaci\\u00f3n inapropiada de condiciones inusuales o excepcionales en el procesamiento de paquetes en el MS-MPC/MS-MIC usado por Juniper Networks Junos OS permite a un atacante malicioso enviar un paquete espec\\u00edfico, haciendo que el MS-MPC/MS-MIC se reinicie, causando una Denegaci\\u00f3n de Servicio (DoS). Si se sigue recibiendo y procesando este paquete, se crear\\u00e1 una condici\\u00f3n de Denegaci\\u00f3n de Servicio (DoS) sostenida. Este problema s\\u00f3lo afecta a versiones espec\\u00edficas de Juniper Networks Junos OS en la serie MX: 17.3R3-S11; 17.4R2-S13; 17.4R3 anterior a 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19. 4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; Este problema no afecta a ninguna versi\\u00f3n de Juniper Networks Junos OS anterior a la 15.1X49-D240;\"}]",
"id": "CVE-2021-31351",
"lastModified": "2024-11-21T06:05:28.723",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"sirt@juniper.net\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2021-10-19T19:15:08.597",
"references": "[{\"url\": \"https://kb.juniper.net/JSA11216\", \"source\": \"sirt@juniper.net\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://kb.juniper.net/JSA11216\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Modified",
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},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-31351\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2021-10-19T19:15:08.597\",\"lastModified\":\"2024-11-21T06:05:28.723\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. 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Este problema s\u00f3lo afecta a versiones espec\u00edficas de Juniper Networks Junos OS en la serie MX: 17.3R3-S11; 17.4R2-S13; 17.4R3 anterior a 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19. 4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; Este problema no afecta a ninguna versi\u00f3n de Juniper Networks Junos OS anterior a la 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able\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"05D8427C-CDDE-4B2F-9CB8-41B9137660E4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3DC01F2-6DFE-4A8E-9962-5E59AA965935\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"20DDC6B7-BFC4-4F0B-8E68-442C23765BF2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"037BA01C-3F5C-4503-A633-71765E9EF774\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C54B047C-4B38-40C0-9855-067DCF7E48BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"625BA7E6-D2AD-4A48-9B94-24328BE5B06A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52699E2B-450A-431C-81E3-DC4483C8B4F2\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx10000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D97AF6F8-3D50-4D35-BCB1-54E3BEC69B9F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx10003:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D5627740-42E3-4FB1-B8B9-0B768AFFA1EC\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D6F0EA2F-BF7E-45D0-B2B4-8A7B67A9475A\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx10016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C39DA74D-F5C7-4C11-857D-50631A110644\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx104:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F72C850A-0530-4DB7-A553-7E19F82122B5\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx150:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FE2089C-F341-4DC1-B76D-633BC699306D\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2FEF33EB-B2E0-42EF-A1BB-D41021B6D08F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"27175D9A-CA2C-4218-8042-835E25DFCA43\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"00C7FC57-8ACF-45AA-A227-7E3B350FD24F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2754C2DF-DF6E-4109-9463-38B4E0465B77\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4A26704-A6A4-4C4F-9E12-A0A0259491EF\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx40:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C982A2FF-A1F9-4830-BAB6-77CFCE1F093F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"104858BD-D31D-40E0-8524-2EC311F10EAC\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx5:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3B557965-0040-4048-B56C-F564FF28635B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx80:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB875EBD-A3CD-4466-B2A3-39D47FF94592\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5E08E1E-0FE4-4294-9497-BBFFECA2A220\"}]}]}],\"references\":[{\"url\":\"https://kb.juniper.net/JSA11216\",\"source\":\"sirt@juniper.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://kb.juniper.net/JSA11216\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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