CVE-2025-5466 (GCVE-0-2025-5466)

Vulnerability from cvelistv5 – Published: 2025-08-12 15:00 – Updated: 2025-08-12 19:00
VLAI
Summary
XEE in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-12 19:00 UTC
CWE
  • CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Impacted products
Vendor Product Version CPE status
Ivanti Connect Secure Unaffected: 22.7R2.8
Unaffected: 22.8R2
guessed Create a notification for this product.
Ivanti Policy Secure Unaffected: 22.7R1.5
guessed Create a notification for this product.
Ivanti ZTA Gateway Unaffected: 22.8R2.3-723
guessed Create a notification for this product.
Ivanti Neurons for Secure Access Unaffected: 22.8R1.4 (Fix deployed on 02-Aug-2025)
guessed Create a notification for this product.
Show details on NVD website

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              "lang": "en",
              "supportingMedia": [
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                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eXEE\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e in \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIvanti Connect Secure before 22.7R2.8\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e or 22.8R2\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e22.8R2.3-723\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e and Ivanti Neurons for Secure Access before \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e22.8R1.4 (Fix deployed on 02-Aug-2025)\u003c/span\u003e \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eallows a remote authenticated attacker with admin privileges to trigger a denial of service\u003c/span\u003e\u003cbr\u003e"
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              ],
              "value": "XEE in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service"
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-197",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-197: Exponential Data Expansion"
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              ]
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          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 4.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
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                  "lang": "en",
                  "value": "GENERAL"
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              ]
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-776",
                  "description": "CWE-776 Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-08-12T15:00:05.978Z",
            "orgId": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
            "shortName": "ivanti"
          },
          "references": [
            {
              "url": "https://forums.ivanti.com/s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en_US"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "x_generator": {
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      },
      "cveMetadata": {
        "assignerOrgId": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
        "assignerShortName": "ivanti",
        "cveId": "CVE-2025-5466",
        "datePublished": "2025-08-12T15:00:05.978Z",
        "dateReserved": "2025-06-02T11:55:38.875Z",
        "dateUpdated": "2025-08-12T19:00:58.665Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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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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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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