Vulnerability-Lookup

FKIE_CVE-2021-3423

Vulnerability from fkie_nvd - Published: 2021-05-18 11:15 - Updated: 2026-06-17 04:05

Severity

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

Summary

Uncontrolled Search Path Element vulnerability in the openssl component as used in Bitdefender GravityZone Business Security allows an attacker to load a third party DLL to elevate privileges. This issue affects Bitdefender GravityZone Business Security versions prior to 6.6.23.329.

References

	URL	Tags
	cve-requests@bitdefender.com	https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557	Vendor Advisory

Impacted products

	Vendor	Product	Version
	bitdefender	gravityzone_business_security	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "GravityZone Business Security",
          "vendor": "BItdefender",
          "versions": [
            {
              "lessThan": "6.6.23.329",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve-requests@bitdefender.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bitdefender:gravityzone_business_security:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EB79C8A5-2085-4D8E-BCB3-33341C1F5F0E",
              "versionEndExcluding": "6.6.23.329",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Uncontrolled Search Path Element vulnerability in the openssl component as used in Bitdefender GravityZone Business Security allows an attacker to load a third party DLL to elevate privileges. This issue affects Bitdefender GravityZone Business Security versions prior to 6.6.23.329."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad del elemento de ruta de b\u00fasqueda no controlada en el componente openssl como es usado en Bitdefender GravityZone Business Security, permite a un atacante cargar una DLL de terceros para escalar privilegios.\u0026#xa0;Este problema afecta a Bitdefender GravityZone Business Security versiones anteriores a 6.6.23.329"
    }
  ],
  "id": "CVE-2021-3423",
  "lastModified": "2026-06-17T04:05:03.747",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 6.0,
        "source": "cve-requests@bitdefender.com",
        "type": "Secondary"
      },
      {
        "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"
      }
    ]
  },
  "published": "2021-05-18T11:15:07.647",
  "references": [
    {
      "source": "cve-requests@bitdefender.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557"
    }
  ],
  "sourceIdentifier": "cve-requests@bitdefender.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ],
      "source": "cve-requests@bitdefender.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-3423 (GCVE-0-2021-3423)

Vulnerability from cvelistv5 – Published: 2021-05-18 11:00 – Updated: 2024-09-17 00:41

Title

Privilege escalation in Bitdefender GravityZone Business Security

Summary

Severity

7.8 (High)


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

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

Bitdefender mitre root

References

1 reference

URL	Tags
https://www.bitdefender.com/support/security-advi…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
BItdefender	GravityZone Business Security	Affected: unspecified , < 6.6.23.329 (custom)

Date Public

2021-05-18 00:00

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-03T16:53:17.754Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GravityZone Business Security",
          "vendor": "BItdefender",
          "versions": [
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              "version": "unspecified",
              "versionType": "custom"
            }
          ]
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      ],
      "datePublic": "2021-05-18T00:00:00.000Z",
      "descriptions": [
        {
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
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      "problemTypes": [
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        "orgId": "b3d5ebe7-963e-41fb-98e1-2edaeabb8f82",
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      "references": [
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          "tags": [
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          ],
          "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "An automatic update to version 6.6.23.329 fixes the issue."
        }
      ],
      "source": {
        "defect": [
          "VA-9557"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Privilege escalation in Bitdefender GravityZone Business Security",
      "x_generator": {
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      "x_legacyV4Record": {
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          "ID": "CVE-2021-3423",
          "STATE": "PUBLIC",
          "TITLE": "Privilege escalation in Bitdefender GravityZone Business Security"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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    "dateReserved": "2021-03-05T00:00:00.000Z",
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    "state": "PUBLISHED"
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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.