certfr_avis - certfr-2025-avi-0206

CERTFR-2025-AVI-0206

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Juniper Networks Junos OS. Elle permet à un attaquant de provoquer une exécution de code arbitraire.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Juniper Networks	Junos OS	Junos OS versions 22.2.x antérieures à 22.2R3-S6
Juniper Networks	Junos OS	Junos OS versions 24.2.x antérieures à 24.2R1-S2 ou 24.2R2
Juniper Networks	Junos OS	Junos OS versions 23.4.x antérieures à 23.4R2-S4
Juniper Networks	Junos OS	Junos OS versions 22.4.x antérieures à 22.4R3-S6
Juniper Networks	Junos OS	Junos OS versions 21.4.x antérieures à 21.4R3-S10
Juniper Networks	Junos OS	Junos OS versions 23.2.x antérieures à 23.2R2-S3
Juniper Networks	Junos OS	Junos OS versions antérieures à 21.2R3-S9

References

Title

Publication Time

CVE-2025-21590 (GCVE-0-2025-21590)

Vulnerability from cvelistv5

Published

2025-03-12 13:59

Modified

2025-07-30 01:36

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
6.7 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-653 - Improper Isolation or Compartmentalization

Summary

An Improper Isolation or Compartmentalization vulnerability in the kernel of Juniper Networks Junos OS allows a local attacker with high privileges to compromise the integrity of the device. A local attacker with access to the shell is able to inject arbitrary code which can compromise an affected device. This issue is not exploitable from the Junos CLI. This issue affects Junos OS: * All versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S10, * 22.2 versions before 22.2R3-S6, * 22.4 versions before 22.4R3-S6, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R1-S2, 24.2R2.

References

URL

Tags

	https://supportportal.juniper.net/JSA93446	vendor-advisory
	https://cloud.google.com/blog/topics/threat-intelligence/china-nexus-espionage-targets-juniper-routers	third-party-advisory

Impacted products

	Vendor	Product	Version
	Juniper Networks	Junos OS	Version: 0 ≤ Version: 21.4 ≤ Version: 22.2 ≤ Version: 22.4 ≤ Version: 23.2 ≤ Version: 23.4 ≤ Version: 24.2 ≤

Show details on NVD website

JSON

To clipboard

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              "content": {
                "id": "CVE-2025-21590",
                "options": [
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                    "Exploitation": "active"
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-14T03:55:21.999597Z",
                "version": "2.0.3"
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              "type": "ssvc"
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              "content": {
                "dateAdded": "2025-03-13",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21590"
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            "time": "2025-03-13T00:00:00+00:00",
            "value": "CVE-2025-21590 added to CISA KEV"
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              "version": "0",
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              "version": "21.4",
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              "value": "An Improper Isolation or Compartmentalization vulnerability in the kernel of Juniper Networks Junos OS allows a local attacker with high privileges to compromise the integrity of the device.\u003cbr\u003e\u003cbr\u003eA local attacker with access to the shell is able to inject arbitrary code which can compromise an affected device.\u003cbr\u003eThis issue is not exploitable from the Junos CLI.\u003cbr\u003e\u003cp\u003eThis issue affects Junos OS:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.2R3-S9,\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S10,\u0026nbsp;\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S6,\u0026nbsp;\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R3-S6,\u0026nbsp;\u003c/li\u003e\u003cli\u003e23.2 versions before 23.2R2-S3,\u0026nbsp;\u003c/li\u003e\u003cli\u003e23.4 versions before 23.4R2-S4,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R1-S2, 24.2R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e"
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              "value": "\u003cp\u003eThe following software releases have been updated to resolve this specific issue: 21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S6, 23.2R2-S3, 23.4R2-S4, 24.2R1-S2, 24.2R2, 24.4R1, and all subsequent releases.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003ePlease note that this issue is not fixed for all platforms in the releases specified in the solution section.\u003c/p\u003e\n\u003cp\u003eFor the following products the fix is only available in these releases:\u003c/p\u003e\n\u003cp\u003eSRX300 Series\u2003\u0026nbsp; 21.2R3-S9, 23.4R2-S5*, 24.4R1\u003c/p\u003e\n\u003cp\u003eSRX550HM\u2003\u2003\u2003 22.2R3-S7*\u003c/p\u003e\n\u003cp\u003eEX4300 Series \u0026nbsp; \u0026nbsp; 21.4R3-S11*  (except EX4300-48MP which has fixes available as indicated in the solution)\u003c/p\u003e\n\u003cp\u003eEX4600  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 21.4R3-S11*  (except EX4650 which has fixes available as indicated in the solution)\u003c/p\u003e\n\u003cp\u003eACX1000, ACX1100, ACX2100, ACX2200, ACX4000,\u003c/p\u003e\n\u003cp\u003eACX500  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;21.2R3-S9\u003c/p\u003e\n\u003cp\u003eMX104  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 21.2R3-S9\u003c/p\u003e\n\u003cp\u003e* Future Release\u0026nbsp;\u003c/p\u003e"
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          "value": "Initial Publication"
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          "time": "2025-03-12T15:16:00.000Z",
          "value": "Corrected hotlinks for CVSS assessments"
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          "value": "For the products/platforms specifically mentioned in the solution section: Please note that Junos OS version 21.2R3-S9.20, which was made available last week, does not address the issue completely. We\u0027ll publish an updated version with the complete fix and update this advisory as soon as possible."
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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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