CVE-2024-39523 (GCVE-0-2024-39523)
Vulnerability from cvelistv5 – Published: 2024-07-11 16:00 – Updated: 2024-08-02 04:26
VLAI
EPSS
VEX
Title
Junos OS Evolved: CLI parameter processing issue allows privilege escalation
Summary
An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.
The Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.
This issue affects Junos OS Evolved:
* All versions before 20.4R3-S7-EVO,
* 21.2-EVO versions before 21.2R3-S8-EVO,
* 21.4-EVO versions before 21.4R3-S7-EVO,
* 22.1-EVO versions before 22.1R3-S6-EVO,
* 22.2-EVO versions before 22.2R3-EVO,
* 22.3-EVO versions before 22.3R2-EVO,
* 22.4-EVO versions before 22.4R2-EVO.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-12 00:00 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA82975 | vendor-advisory |
Impacted products
8 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 20.4R3-S7-EVO
(semver)
Affected: 21.2-EVO , < 21.2R3-S8-EVO (semver) Affected: 21.4-EVO , < 21.4R3-S7-EVO (semver) Affected: 22.1-EVO , < 22.1R3-S6-EVO (semver) Affected: 22.2-EVO , < 22.2R3-EVO (semver) Affected: 22.3-EVO , < 22.3R2-EVO (semver) Affected: 22.4-EVO , < 22.4R2-EVO (semver) |
guessed | |
| juniper | junos_os_evolved |
Affected:
0 , < 20.4r3-s7
(custom)
cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
22.1 , < 22.1r3-s6
(custom)
cpe:2.3:o:juniper:junos_os_evolved:22.1:*:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
21.2 , < 21.2r3-s8
(custom)
cpe:2.3:o:juniper:junos_os_evolved:21.2:-:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
21.4 , < 21.4r3-s7
(custom)
cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
22.2 , < 22.2r3
(custom)
cpe:2.3:o:juniper:junos_os_evolved:22.2:-:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
22.3 , < 22.3r2
(custom)
cpe:2.3:a:juniper:junos_os_evolved:22.3:*:*:*:*:*:*:* |
||
| juniper | junos_os_evolved |
Affected:
22.4 , < 22.4r2
(custom)
cpe:2.3:o:juniper:junos_os_evolved:22.4:*:*:*:*:*:*:* |
Date Public
2024-07-10 16:00
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"descriptions": "[{\"lang\": \"en\", \"value\": \"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to \u0027root\u0027 leading to a full compromise of the system.\\n\\nThe Junos OS Evolved CLI doesn\u0027t properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\\n\\nThis issue affects Junos OS Evolved:\\u00a0\\n\\n * All versions before 20.4R3-S7-EVO,\\n * 21.2-EVO versions before 21.2R3-S8-EVO,\\n * 21.4-EVO versions before 21.4R3-S7-EVO,\\n * 22.1-EVO versions before 22.1R3-S6-EVO,\\u00a0\\n * 22.2-EVO versions before 22.2R3-EVO,\\n * 22.3-EVO versions before 22.3R2-EVO,\\n * 22.4-EVO versions before 22.4R2-EVO.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de neutralizaci\\u00f3n incorrecta de elementos especiales en los comandos Juniper Networks Junos OS Evolved permite a un atacante local autenticado con privilegios bajos escalar sus privilegios a \u0027root\u0027, lo que lleva a un compromiso total del sistema. La CLI evolucionada de Junos OS no maneja adecuadamente las opciones de comando en algunos casos, lo que permite a los usuarios que ejecutan comandos CLI espec\\u00edficos con un conjunto de par\\u00e1metros manipulado escalar sus privilegios a root en el nivel de shell. Este problema afecta a Junos OS Evolved: * Todas las versiones anteriores a 20.4R3-S7-EVO, * Versiones 21.2-EVO anteriores a 21.2R3-S8-EVO, * Versiones 21.4-EVO anteriores a 21.4R3-S7-EVO, * Versiones 22.1-EVO anteriores 22.1R3-S6-EVO, *versiones 22.2-EVO anteriores a 22.2R3-EVO, *versiones 22.3-EVO anteriores a 22.3R2-EVO, *versiones 22.4-EVO anteriores a 22.4R2-EVO.\"}]",
"id": "CVE-2024-39523",
"lastModified": "2024-11-21T09:27:55.430",
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"published": "2024-07-11T16:15:03.667",
"references": "[{\"url\": \"https://supportportal.juniper.net/JSA82975\", \"source\": \"sirt@juniper.net\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://supportportal.juniper.net/JSA82975\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Modified",
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},
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"redhat_vex": {
"current_release_date": "2026-01-09T08:32:54+00:00",
"cve": "CVE-2024-39523",
"id": "CVE-2024-39523",
"initial_release_date": "2024-07-10T16:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Junos OS Evolved: CLI parameter processing issue allows privilege escalation",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-39523.json",
"version": "3"
},
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\"versions\": [{\"status\": \"affected\", \"version\": \"22.3\", \"lessThan\": \"22.3r2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:2.3:o:juniper:junos_os_evolved:22.4:*:*:*:*:*:*:*\"], \"vendor\": \"juniper\", \"product\": \"junos_os_evolved\", \"versions\": [{\"status\": \"affected\", \"version\": \"22.4\", \"lessThan\": \"22.4r2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-11T17:02:39.638Z\"}}], \"cna\": {\"title\": \"Junos OS Evolved: CLI parameter processing issue allows privilege escalation\", \"source\": {\"defect\": [\"1698062\"], \"advisory\": \"JSA82975\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": 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\"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Juniper Networks\", \"product\": \"Junos OS Evolved\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"20.4R3-S7-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.2-EVO\", \"lessThan\": \"21.2R3-S8-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.4-EVO\", \"lessThan\": \"21.4R3-S7-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.1-EVO\", \"lessThan\": \"22.1R3-S6-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.2-EVO\", \"lessThan\": \"22.2R3-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.3-EVO\", \"lessThan\": \"22.3R2-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.4-EVO\", \"lessThan\": \"22.4R2-EVO\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"base64\": false}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The following software releases have been updated to resolve this specific issue: 20.4R3-S7-EVO, 21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The following software releases have been updated to resolve this specific issue: 20.4R3-S7-EVO, 21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.\", \"base64\": false}]}], \"datePublic\": \"2024-07-10T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA82975\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There are no known workarounds for this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"There are no known workarounds for this issue.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to \u0027root\u0027 leading to a full compromise of the system.\\n\\nThe Junos OS Evolved CLI doesn\u0027t properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\\n\\nThis issue affects Junos OS Evolved:\\u00a0\\n\\n * All versions before 20.4R3-S7-EVO,\\n * 21.2-EVO versions before 21.2R3-S8-EVO,\\n * 21.4-EVO versions before 21.4R3-S7-EVO,\\n * 22.1-EVO versions before 22.1R3-S6-EVO,\\u00a0\\n * 22.2-EVO versions before 22.2R3-EVO,\\n * 22.3-EVO versions before 22.3R2-EVO,\\n * 22.4-EVO versions before 22.4R2-EVO.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to \u0027root\u0027 leading to a full compromise of the system.\u003cbr\u003e\u003cbr\u003eThe Junos OS Evolved CLI doesn\u0027t properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\\\"background-color: var(--wht);\\\"\u003eThis issue affects Junos OS Evolved:\u0026nbsp;\u003c/span\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S7-EVO,\u003c/li\u003e\u003cli\u003e21.2-EVO versions before 21.2R3-S8-EVO,\u003c/li\u003e\u003cli\u003e21.4-EVO versions before 21.4R3-S7-EVO,\u003c/li\u003e\u003cli\u003e22.1-EVO versions before 22.1R3-S6-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003e22.2-EVO versions before 22.2R3-EVO,\u003c/li\u003e\u003cli\u003e22.3-EVO versions before 22.3R2-EVO,\u003c/li\u003e\u003cli\u003e22.4-EVO versions before 22.4R2-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-78\", \"description\": \"CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-07-11T16:00:58.563Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-39523\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-13T03:55:24.657Z\", \"dateReserved\": \"2024-06-25T15:12:53.239Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2024-07-11T16:00:58.563Z\", \"assignerShortName\": \"juniper\"}",
"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.
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.
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