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GSD-2020-8254

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-8254",
    "description": "A vulnerability in the Pulse Secure Desktop Client \u003c 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.",
    "id": "GSD-2020-8254"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8254"
      ],
      "details": "A vulnerability in the Pulse Secure Desktop Client \u003c 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.",
      "id": "GSD-2020-8254",
      "modified": "2023-12-13T01:21:54.492320Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "support@hackerone.com",
        "ID": "CVE-2020-8254",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Pulse Secure Desktop Client",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "9.1R9"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A vulnerability in the Pulse Secure Desktop Client \u003c 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Relative Path Traversal (CWE-23)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601",
            "refsource": "MISC",
            "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:windows:*:*",
                "cpe_name": [],
                "versionEndExcluding": "9.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r1:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r2:*:*:*:windows:*:*",
                "cpe_name": [],
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                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.1:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.1:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.2:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r5:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r6:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7.1:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8.2:*:*:*:windows:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-assignments@hackerone.com",
          "ID": "CVE-2020-8254"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability in the Pulse Secure Desktop Client \u003c 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-11-03T16:17Z",
      "publishedDate": "2020-10-28T13:15Z"
    }
  }
}



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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.
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