CVE-2026-25620 (GCVE-0-2026-25620)

Vulnerability from cvelistv5 – Published: 2026-06-05 19:26 – Updated: 2026-06-05 20:23
VLAI
Title
Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection
Summary
An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.
Severity
6 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/S:P
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Date Public
2026-02-03 00:00
Credits
Jon Williams & Ronan Kervella from Bishop Fox
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-25620",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-05T20:23:23.730510Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-05T20:23:31.151Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Arista Edge Threat Management - Arista Next Generation Firewall (Formerly Untangle)"
          ],
          "product": "Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)",
          "vendor": "Arista Networks",
          "versions": [
            {
              "status": "affected",
              "version": "17.4.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIn order to be vulnerable, the following cumulative conditions must be satisfied:\u003c/p\u003e\u003col\u003e\u003cli\u003eAn NGFW system running exactly version 17.4.0.\u003c/li\u003e\u003cli\u003eThe system administrator must navigate to the Captive Portal application interface.\u003c/li\u003e\u003cli\u003eThe Captive Portal application must be actively installed and enabled.\u003c/li\u003e\u003cli\u003eCaptive Portal Basic Login validation control must be enabled.\u003c/li\u003e\u003c/ol\u003e"
            }
          ],
          "value": "In order to be vulnerable, the following cumulative conditions must be satisfied:\n\n  *  An NGFW system running exactly version 17.4.0.\n  *  The system administrator must navigate to the Captive Portal application interface.\n  *  The Captive Portal application must be actively installed and enabled.\n  *  Captive Portal Basic Login validation control must be enabled."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jon Williams \u0026 Ronan Kervella from Bishop Fox"
        }
      ],
      "datePublic": "2026-02-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAn encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.\u003c/p\u003e"
            }
          ],
          "value": "An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-88",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-88 OS Command Injection"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "PRESENT",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/S:P",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-05T19:26:36.797Z",
        "orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
        "shortName": "Arista"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/22867-security-advisory-0133"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eThe recommended resolution is to upgrade to NGFW Version 17.4.1 at your earliest convenience.\u003c/p\u003e"
            }
          ],
          "value": "The recommended resolution is to upgrade to NGFW Version 17.4.1 at your earliest convenience."
        }
      ],
      "source": {
        "advisory": "0133",
        "defect": [
          "NGFW-15493"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIf managing an active NGFW 17.4.0 deployment, disable the Captive Portal Basic Login configuration profile parameter.\u003c/p\u003e"
            }
          ],
          "value": "If managing an active NGFW 17.4.0 deployment, disable the Captive Portal Basic Login configuration profile parameter."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
    "assignerShortName": "Arista",
    "cveId": "CVE-2026-25620",
    "datePublished": "2026-06-05T19:26:36.797Z",
    "dateReserved": "2026-02-03T22:23:04.359Z",
    "dateUpdated": "2026-06-05T20:23:31.151Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-25620",
      "date": "2026-06-08",
      "epss": "0.00222",
      "percentile": "0.44836"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-25620\",\"sourceIdentifier\":\"psirt@arista.com\",\"published\":\"2026-06-05T20:17:30.447\",\"lastModified\":\"2026-06-08T19:15:23.813\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"psirt@arista.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/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:P/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"LOW\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"PRESENT\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"psirt@arista.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L\",\"baseScore\":6.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.2,\"impactScore\":4.7}]},\"weaknesses\":[{\"source\":\"psirt@arista.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:arista:ng_firewall:17.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D9CD1F50-5EE0-4951-B402-BB91064AE857\"}]}]}],\"references\":[{\"url\":\"https://www.arista.com/en/support/advisories-notices/security-advisory/22867-security-advisory-0133\",\"source\":\"psirt@arista.com\",\"tags\":[\"Vendor Advisory\",\"Mitigation\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-25620\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-05T20:23:23.730510Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-05T20:23:28.256Z\"}}], \"cna\": {\"title\": \"Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection\", \"source\": {\"defect\": [\"NGFW-15493\"], \"advisory\": \"0133\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Jon Williams \u0026 Ronan Kervella from Bishop Fox\"}], \"impacts\": [{\"capecId\": \"CAPEC-88\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-88 OS Command Injection\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}, {\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"PRESENT\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 7, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/S:P\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"LOW\", \"vulnAvailabilityImpact\": \"LOW\", \"subConfidentialityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Arista Networks\", \"product\": \"Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.4.0\", \"versionType\": \"custom\"}], \"platforms\": [\"Arista Edge Threat Management - Arista Next Generation Firewall (Formerly Untangle)\"], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The recommended resolution is to upgrade to NGFW Version 17.4.1 at your earliest convenience.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThe recommended resolution is to upgrade to NGFW Version 17.4.1 at your earliest convenience.\u003c/p\u003e\", \"base64\": false}]}], \"datePublic\": \"2026-02-03T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.arista.com/en/support/advisories-notices/security-advisory/22867-security-advisory-0133\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"If managing an active NGFW 17.4.0 deployment, disable the Captive Portal Basic Login configuration profile parameter.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIf managing an active NGFW 17.4.0 deployment, disable the Captive Portal Basic Login configuration profile parameter.\u003c/p\u003e\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAn encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.\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)\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"In order to be vulnerable, the following cumulative conditions must be satisfied:\\n\\n  *  An NGFW system running exactly version 17.4.0.\\n  *  The system administrator must navigate to the Captive Portal application interface.\\n  *  The Captive Portal application must be actively installed and enabled.\\n  *  Captive Portal Basic Login validation control must be enabled.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIn order to be vulnerable, the following cumulative conditions must be satisfied:\u003c/p\u003e\u003col\u003e\u003cli\u003eAn NGFW system running exactly version 17.4.0.\u003c/li\u003e\u003cli\u003eThe system administrator must navigate to the Captive Portal application interface.\u003c/li\u003e\u003cli\u003eThe Captive Portal application must be actively installed and enabled.\u003c/li\u003e\u003cli\u003eCaptive Portal Basic Login validation control must be enabled.\u003c/li\u003e\u003c/ol\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7\", \"shortName\": \"Arista\", \"dateUpdated\": \"2026-06-05T19:26:36.797Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-25620\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-05T20:23:31.151Z\", \"dateReserved\": \"2026-02-03T22:23:04.359Z\", \"assignerOrgId\": \"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7\", \"datePublished\": \"2026-06-05T19:26:36.797Z\", \"assignerShortName\": \"Arista\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.