FKIE_CVE-2025-21590

Vulnerability from fkie_nvd - Published: 2025-03-12 14:15 - Updated: 2025-10-24 16:44
Severity ?
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
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
sirt@juniper.nethttps://cloud.google.com/blog/topics/threat-intelligence/china-nexus-espionage-targets-juniper-routersThird Party Advisory
sirt@juniper.nethttps://supportportal.juniper.net/JSA93446Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21590US Government Resource
Impacted products
Vendor Product Version
juniper junos *
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 22.4
juniper junos 23.2
juniper junos 23.2
juniper junos 23.2
juniper junos 23.2
juniper junos 23.2
juniper junos 23.2
juniper junos 23.2
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 23.4
juniper junos 24.2
juniper junos 24.2
juniper junos 24.2
juniper junos 24.2
juniper junos 24.2
To clipboard 

{
  "cisaActionDue": "2025-04-03",
  "cisaExploitAdd": "2025-03-13",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:juniper:junos:*:-:*:*:*:*:*:*",
              "matchCriteriaId": "7BE0AAE6-1CD8-40CA-B48F-8831395F5097",
              "versionEndIncluding": "21.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*",
              "matchCriteriaId": "A52AF794-B36B-43A6-82E9-628658624B0A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "3998DC76-F72F-4452-9150-652140B113EB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "36ED4552-2420-45F9-B6E4-6DA2B2B12870",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*",
              "matchCriteriaId": "C28A14E7-7EA0-4757-9764-E39A27CFDFA5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "4A43752D-A4AF-4B4E-B95B-192E42883A5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "42986538-E9D0-4C2E-B1C4-A763A4EE451B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:*",
              "matchCriteriaId": "DE22CA01-EA7E-4EE5-B59F-EE100688C1DA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:*",
              "matchCriteriaId": "E596ABD9-6ECD-48DC-B770-87B7E62EA345",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s2:*:*:*:*:*:*",
              "matchCriteriaId": "71745D02-D226-44DC-91AD-678C85F5E6FC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s3:*:*:*:*:*:*",
              "matchCriteriaId": "39E44B09-7310-428C-8144-AE9DB0484D1F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s4:*:*:*:*:*:*",
              "matchCriteriaId": "53938295-8999-4316-9DED-88E24D037852",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s5:*:*:*:*:*:*",
              "matchCriteriaId": "2307BF56-640F-49A8-B060-6ACB0F653A61",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s6:*:*:*:*:*:*",
              "matchCriteriaId": "737DDF96-7B1D-44E2-AD0F-E2F50858B2A3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s7:*:*:*:*:*:*",
              "matchCriteriaId": "35E0BB39-18AE-4FAD-A528-FDFF6222DDE5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.2:r3-s8:*:*:*:*:*:*",
              "matchCriteriaId": "5DCAA120-20A2-43D8-87D3-716225CE233F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8A1C641-97E3-4844-96CE-B783EE9A0639",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:*",
              "matchCriteriaId": "79ED3CE8-CC57-43AB-9A26-BBC87816062D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*",
              "matchCriteriaId": "4310D2D9-A8A6-48F8-9384-0A0692A1E1C3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "9962B01C-C57C-4359-9532-676AB81CE8B0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "62178549-B679-4902-BFDB-2993803B7FCE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:*",
              "matchCriteriaId": "9AD697DF-9738-4276-94ED-7B9380CD09F5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "09FF5818-0803-4646-A386-D7C645EE58A3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "2229FA59-EB24-49A2-85CE-F529A8DE6BA7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:*",
              "matchCriteriaId": "0CB280D8-C5D8-4B51-A879-496ACCDE4538",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s1:*:*:*:*:*:*",
              "matchCriteriaId": "5F3F54F1-75B3-400D-A735-2C27C8CEBE79",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s2:*:*:*:*:*:*",
              "matchCriteriaId": "476A49E7-37E9-40F9-BF2D-9BBFFAA1DFFC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s3:*:*:*:*:*:*",
              "matchCriteriaId": "0A5B196A-2AF1-4AE5-9148-A75A572807BC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s4:*:*:*:*:*:*",
              "matchCriteriaId": "3B457616-2D91-4913-9A7D-038BBF8F1F66",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s5:*:*:*:*:*:*",
              "matchCriteriaId": "C470FB4E-A927-4AF3-ACB0-AD1E264218B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s6:*:*:*:*:*:*",
              "matchCriteriaId": "44E98BC3-1D43-481A-AB09-FFA502C36AAF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s7:*:*:*:*:*:*",
              "matchCriteriaId": "1A0DA88F-6C61-4FEA-ABF3-99F7DD43DB0B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s8:*:*:*:*:*:*",
              "matchCriteriaId": "25B4FC60-140D-49EF-8011-A5888D8493B0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:21.4:r3-s9:*:*:*:*:*:*",
              "matchCriteriaId": "4CB6507D-FFEF-44B4-B27B-0FA8B4A3B3D3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:*",
              "matchCriteriaId": "06156CD6-09D3-4A05-9C5E-BC64A70640F9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*",
              "matchCriteriaId": "E949B21B-AD62-4022-9088-06313277479E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "8D862E6F-0D01-4B25-8340-888C30F75A2F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "2F28F73E-8563-41B9-A313-BBAAD5B57A67",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r2:*:*:*:*:*:*",
              "matchCriteriaId": "E37D4694-C80B-475E-AB5B-BB431F59C5E1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "5EC0D2D2-4922-4675-8A2C-57A08D7BE334",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "9EC91F9D-DEDA-46B4-A39F-59A2CDB86C2E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3:*:*:*:*:*:*",
              "matchCriteriaId": "591AA3E6-62A2-4A1A-A04C-E808F71D8B6E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3-s1:*:*:*:*:*:*",
              "matchCriteriaId": "786F993E-32CB-492A-A7CC-A7E4F48EA8B9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3-s2:*:*:*:*:*:*",
              "matchCriteriaId": "60CEA89D-BAC4-41CD-A1D1-AA5EDDEBD54A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3-s3:*:*:*:*:*:*",
              "matchCriteriaId": "BC449CC7-B2D6-41CB-8D6C-81DE89E79520",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3-s4:*:*:*:*:*:*",
              "matchCriteriaId": "05E47861-3311-45E2-A722-8CD7FFDC2DFD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.2:r3-s5:*:*:*:*:*:*",
              "matchCriteriaId": "748EAB0A-6B22-4098-8735-CC76BEAA9BB7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "F99AF592-0553-4E6F-8561-5F031A82A822",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:*",
              "matchCriteriaId": "1379EF30-AF04-4F98-8328-52A631F24737",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:*",
              "matchCriteriaId": "28E42A41-7965-456B-B0AF-9D3229CE4D4C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "CB1A77D6-D3AD-481B-979C-8F778530B175",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "3A064B6B-A99B-4D8D-A62D-B00C7870BC30",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:*",
              "matchCriteriaId": "40813417-A938-4F74-A419-8C5188A35486",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "7FC1BA1A-DF0E-4B15-86BA-24C60E546732",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "EBB967BF-3495-476D-839A-9DBFCBE69F91",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:*",
              "matchCriteriaId": "7E5688D6-DCA4-4550-9CD1-A3D792252129",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:*",
              "matchCriteriaId": "8494546C-00EA-49B6-B6FA-FDE42CA5B1FA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3-s2:*:*:*:*:*:*",
              "matchCriteriaId": "8BB98579-FA33-4E41-A162-A46E9709FBD3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3-s3:*:*:*:*:*:*",
              "matchCriteriaId": "08E2562F-FB18-4347-8497-7D61B8157EBB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3-s4:*:*:*:*:*:*",
              "matchCriteriaId": "494D1D96-1DA2-4B0A-9536-1B5A4FDFCA09",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:22.4:r3-s5:*:*:*:*:*:*",
              "matchCriteriaId": "60A1E37B-1990-44D9-87FE-300678243BE2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:*",
              "matchCriteriaId": "1A78CC80-E8B1-4CDA-BB35-A61833657FA7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:*",
              "matchCriteriaId": "4B3B2FE1-C228-46BE-AC76-70C2687050AE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "F1B16FF0-900F-4AEE-B670-A537139F6909",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "B227E831-30FF-4BE1-B8B2-31829A5610A6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:*",
              "matchCriteriaId": "1ADA814B-EF98-45B1-AF7A-0C89688F7CA5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "A6FB32DF-D062-4FB9-8777-452978BEC7B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "B3B6C811-5C10-4486-849D-5559B592350A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "0DAE7546-B585-4C6E-A9E6-D07C7FE1AD8A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:*",
              "matchCriteriaId": "78481ABC-3620-410D-BC78-334657E0BB75",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:*",
              "matchCriteriaId": "BE8A5BA3-87BD-473A-B229-2AAB2C797005",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "8B74AC3E-8FC9-400A-A176-4F7F21F10756",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:*",
              "matchCriteriaId": "CB2D1FCE-8019-4CE1-BA45-D62F91AF7B51",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:*",
              "matchCriteriaId": "175CCB13-76C0-44A4-A71D-41E22B92EB23",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:*",
              "matchCriteriaId": "166BFDB3-1945-4949-BC2B-E18442FF2E4D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:*",
              "matchCriteriaId": "5923610F-878C-48CA-8B5D-9C609E4DD4DB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:*",
              "matchCriteriaId": "A7C207E3-0252-4192-8E8C-E2ED2831B4F4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:24.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "EB144AB0-6192-41FA-96A0-3CCA399FA10B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:*",
              "matchCriteriaId": "89524D6D-0B22-4952-AD8E-8072C5A05D5C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:*",
              "matchCriteriaId": "AD69A194-1B03-44EA-8092-79BD10C6F729",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:*",
              "matchCriteriaId": "8463ADB4-B8A7-4D63-97A9-232ED713A21C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:*",
              "matchCriteriaId": "266B520A-482A-43F7-90F8-B9D64D30034F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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.\n\nA local attacker with access to the shell is able to inject arbitrary code which can compromise an affected device.\nThis issue is not exploitable from the Junos CLI.\nThis issue affects Junos OS:\u00a0\n\n\n\n  *  All versions before 21.2R3-S9,\n  *  21.4 versions before 21.4R3-S10,\u00a0\n  *  22.2 versions before 22.2R3-S6,\u00a0\n  *  22.4 versions before 22.4R3-S6,\u00a0\n  *  23.2 versions before 23.2R2-S3,\u00a0\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R1-S2, 24.2R2."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de aislamiento o compartimentaci\u00f3n inadecuados en el kernel de Junos OS de Juniper Networks permite a un atacante local con privilegios elevados comprometer la integridad del dispositivo. Un atacante local con acceso al shell puede inyectar c\u00f3digo arbitrario que puede comprometer un dispositivo afectado. Este problema no se puede explotar desde la interfaz de l\u00ednea de comandos de Junos. Este problema afecta a Junos OS: * Todas las versiones anteriores a 21.2R3-S9, * Versiones 21.4 anteriores a 21.4R3-S10, * Versiones 22.2 anteriores a 22.2R3-S6, * Versiones 22.4 anteriores a 22.4R3-S6, * Versiones 23.2 anteriores a 23.2R2-S3, * Versiones 23.4 anteriores a 23.4R2-S4, * Versiones 24.2 anteriores a 24.2R1-S2 y 24.2R2."
    }
  ],
  "id": "CVE-2025-21590",
  "lastModified": "2025-10-24T16:44:13.830",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 3.6,
        "source": "sirt@juniper.net",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "sirt@juniper.net",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-03-12T14:15:15.447",
  "references": [
    {
      "source": "sirt@juniper.net",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cloud.google.com/blog/topics/threat-intelligence/china-nexus-espionage-targets-juniper-routers"
    },
    {
      "source": "sirt@juniper.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://supportportal.juniper.net/JSA93446"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21590"
    }
  ],
  "sourceIdentifier": "sirt@juniper.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-653"
        }
      ],
      "source": "sirt@juniper.net",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.