Search criteria

3 vulnerabilities found for secure_internet_and_saas_access by zscaler

FKIE_CVE-2023-28807

Vulnerability from fkie_nvd - Published: 2024-01-31 20:15 - Updated: 2024-11-21 07:56
Severity ?
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
References
cve@zscaler.comhttps://help.zscaler.com/zia/configuring-advanced-settings#dns-optimizationProduct
cve@zscaler.comhttps://help.zscaler.com/zia/configuring-advanced-settings#domain-frontingProduct
af854a3a-2127-422b-91ae-364da2661108https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimizationProduct
af854a3a-2127-422b-91ae-364da2661108https://help.zscaler.com/zia/configuring-advanced-settings#domain-frontingProduct
Impacted products
Vendor Product Version
zscaler secure_internet_and_saas_access *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zscaler:secure_internet_and_saas_access:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4DC095FA-C0CB-4E6F-B749-8DB0308F9C1C",
              "versionEndExcluding": "6.2r.290",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello\u0027s Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic."
    },
    {
      "lang": "es",
      "value": "En Zscaler Internet Access (ZIA), una falta de coincidencia entre Connect Host y Client Hello\u0027s Server Name Indication (SNI) permite a los atacantes evadir los controles de seguridad de la red ocultando sus comunicaciones dentro del tr\u00e1fico leg\u00edtimo."
    }
  ],
  "id": "CVE-2023-28807",
  "lastModified": "2024-11-21T07:56:03.310",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 2.5,
        "source": "cve@zscaler.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
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        },
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        "impactScore": 3.6,
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        "type": "Primary"
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    ]
  },
  "published": "2024-01-31T20:15:44.903",
  "references": [
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Product"
      ],
      "url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Product"
      ],
      "url": "https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting"
    }
  ],
  "sourceIdentifier": "cve@zscaler.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
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          "value": "CWE-295"
        }
      ],
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    },
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          "value": "CWE-295"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2023-28807 (GCVE-0-2023-28807)

Vulnerability from cvelistv5 – Published: 2024-01-31 19:16 – Updated: 2025-06-17 21:29
VLAI?
Summary
In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
Severity ?
5.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Zscaler ZIA Affected: 0 , < 6.2r.290 (custom)
Create a notification for this product.
Credits
Citi Red Team
Show details on NVD website
To clipboard 

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        "references": [
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          },
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            "url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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        },
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    ],
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          "defaultStatus": "unaffected",
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        },
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        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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  },
  "cveMetadata": {
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    "dateReserved": "2023-03-23T18:29:15.803Z",
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CVE-2023-28807 (GCVE-0-2023-28807)

Vulnerability from nvd – Published: 2024-01-31 19:16 – Updated: 2025-06-17 21:29
VLAI?
Summary
In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
Severity ?
5.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Zscaler ZIA Affected: 0 , < 6.2r.290 (custom)
Create a notification for this product.
Credits
Citi Red Team
Show details on NVD website
To clipboard 

{
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            "url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"
          }
        ],
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