Vulnerability-Lookup

GHSA-VJJG-C428-G9R3

Vulnerability from github – Published: 2026-01-27 21:31 – Updated: 2026-01-27 21:31

Details

This issue affects Session Smart Router:

from 5.6.7 before 5.6.17,
from 6.0 before 6.0.8 (affected from 6.0.8),
from 6.1 before 6.1.12-lts,
from 6.2 before 6.2.8-lts,
from 6.3 before 6.3.3-r2;

This issue affects Session Smart Conductor:

from 5.6.7 before 5.6.17,
from 6.0 before 6.0.8 (affected from 6.0.8),
from 6.1 before 6.1.12-lts,
from 6.2 before 6.2.8-lts,
from 6.3 before 6.3.3-r2;

This issue affects WAN Assurance Managed Routers:

from 5.6.7 before 5.6.17,
from 6.0 before 6.0.8 (affected from 6.0.8),
from 6.1 before 6.1.12-lts,
from 6.2 before 6.2.8-lts,
from 6.3 before 6.3.3-r2.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-21589"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-288"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-27T21:15:56Z",
    "severity": "CRITICAL"
  },
  "details": "An Authentication Bypass Using an\nAlternate Path or Channel vulnerability in Juniper Networks Session Smart\nRouter may allows a network-based attacker to bypass authentication\nand take administrative control of the device.\n\nThis issue affects Session Smart Router:\u00a0\n\n\n\n  *  from 5.6.7 before 5.6.17,\u00a0\n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts,\u00a0\n  *  from 6.2 before 6.2.8-lts,\u00a0\n  *  from 6.3 before 6.3.3-r2;\u00a0\n\n\n\n\nThis issue affects Session Smart Conductor:\u00a0\n\n\n\n  *  from 5.6.7 before 5.6.17,\u00a0\n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts,\u00a0\n  *  from 6.2 before 6.2.8-lts,\u00a0\n  *  from 6.3 before 6.3.3-r2;\u00a0\n\n\n\n\nThis issue affects WAN Assurance Managed Routers:\u00a0\n\n\n\n  *  from 5.6.7 before 5.6.17,\u00a0\n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts,\u00a0\n  *  from 6.2 before 6.2.8-lts,\u00a0\n  *  from 6.3 before 6.3.3-r2.",
  "id": "GHSA-vjjg-c428-g9r3",
  "modified": "2026-01-27T21:31:50Z",
  "published": "2026-01-27T21:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21589"
    },
    {
      "type": "WEB",
      "url": "https://kb.juniper.net/JSA94663"
    },
    {
      "type": "WEB",
      "url": "https://support.juniper.net/support/eol/software/ssr"
    },
    {
      "type": "WEB",
      "url": "https://supportportal.juniper.net"
    }
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-21589 (GCVE-0-2025-21589)

Vulnerability from cvelistv5 – Published: 2026-01-27 20:32 – Updated: 2026-01-27 21:28

Title

Session Smart Router, Session Smart Conductor, WAN Assurance Router: API Authentication Bypass vulnerability

Summary

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker to bypass authentication and take administrative control of the device. This issue affects Session Smart Router: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects Session Smart Conductor: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects WAN Assurance Managed Routers: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2.

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

juniper

References

URL

Tags

	https://supportportal.juniper.net/	vendor-advisory
	https://support.juniper.net/support/eol/software/ssr/	related
	https://kb.juniper.net/JSA94663	vendor-advisory

Impacted products

Vendor

Product

Version

Juniper Networks

Session Smart Router

Affected: 5.6.7 , < 5.6.17 (semver)
Unaffected: 6.0 , < 6.0.8 (semver)
Affected: 6.1 , < 6.1.12-lts (semver)
Affected: 6.2 , < 6.2.8-lts (semver)
Affected: 6.3 , < 6.3.3-r2 (semver)

	Juniper Networks	Session Smart Conductor	Affected: 5.6.7 , < 5.6.17 (semver) Unaffected: 6.0 , < 6.0.8 (semver) Affected: 6.1 , < 6.1.12-lts (semver) Affected: 6.2 , < 6.2.8-lts (semver) Affected: 6.3 , < 6.3.3-r2 (semver)
	Juniper Networks	WAN Assurance Managed Router	Affected: 5.6.7 , < 5.6.17 (semver) Unaffected: 6.0 , < 6.0.8 (semver) Affected: 6.1 , < 6.1.12-lts (semver) Affected: 6.2 , < 6.2.8-lts (semver) Affected: 6.3 , < 6.3.3-r2 (semver)

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VJJG-C428-G9R3

CVE-2025-21589 (GCVE-0-2025-21589)

Tags

Sightings

Nomenclature