Vulnerability-Lookup

FKIE_CVE-2021-32464

Vulnerability from fkie_nvd - Published: 2021-08-04 19:15 - Updated: 2026-06-17 03:53

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

An incorrect permission assignment privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service and Worry-Free Business Security Services could allow an attacker to modify a specific script before it is executed. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

References

URL	Tags
security@trendmicro.com	https://success.trendmicro.com/jp/solution/000287796	Vendor Advisory
security@trendmicro.com	https://success.trendmicro.com/solution/000286857	Vendor Advisory
security@trendmicro.com	https://success.trendmicro.com/solution/000287819	Vendor Advisory
security@trendmicro.com	https://www.zerodayinitiative.com/advisories/ZDI-21-910/	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://success.trendmicro.com/jp/solution/000287796	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://success.trendmicro.com/solution/000286857	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://success.trendmicro.com/solution/000287819	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.zerodayinitiative.com/advisories/ZDI-21-910/	Third Party Advisory, VDB Entry

Impacted products

	Vendor	Product	Version
	trendmicro	apex_one	2019
	trendmicro	officescan	xg

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Trend Micro Apex One",
          "vendor": "Trend Micro",
          "versions": [
            {
              "status": "affected",
              "version": "2019, SaaS"
            }
          ]
        },
        {
          "product": "Trend Micro Worry-Free Business Security",
          "vendor": "Trend Micro",
          "versions": [
            {
              "status": "affected",
              "version": "Services (SaaS)"
            }
          ]
        }
      ],
      "source": "security@trendmicro.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*",
              "matchCriteriaId": "AF019D2D-C426-4D2D-A254-442CE777B41E",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "64600B42-4884-41F2-A683-AE1EDB79372E",
              "vulnerable": true
            }
          ],
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          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An incorrect permission assignment privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service and Worry-Free Business Security Services could allow an attacker to modify a specific script before it is executed. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de escalada de privilegios por asignaci\u00f3n de permisos incorrecta en Trend Micro Apex One, Apex One as a Service y Worry-Free Business Security Services, podr\u00eda permitir a un atacante modificar un script espec\u00edfico antes de ejecutarlo. Nota: un atacante debe obtener primero la habilidad de ejecutar c\u00f3digo poco privilegiado en el sistema de destino para poder explotar esta vulnerabilidad"
    }
  ],
  "id": "CVE-2021-32464",
  "lastModified": "2026-06-17T03:53:00.580",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2021-08-04T19:15:08.437",
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      "tags": [
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      ],
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    },
    {
      "source": "security@trendmicro.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://success.trendmicro.com/solution/000286857"
    },
    {
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      ],
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    },
    {
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      "tags": [
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      ],
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    },
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-910/"
    }
  ],
  "sourceIdentifier": "security@trendmicro.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-32464 (GCVE-0-2021-32464)

Vulnerability from cvelistv5 – Published: 2021-08-04 18:29 – Updated: 2024-08-03 23:17

Summary

Severity

No CVSS data available.

CWE

Incorrect Permission Assignment Privilege Escalation

Assigner

trendmicro mitre root

References

4 references

URL	Tags
https://success.trendmicro.com/solution/000287819	x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287796	x_refsource_MISC
https://success.trendmicro.com/solution/000286857	x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Trend Micro	Trend Micro Apex One	Affected: 2019, SaaS
Trend Micro	Trend Micro Worry-Free Business Security	Affected: Services (SaaS)

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.