GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-1994 (GCVE-0-2020-1994)

Vulnerability from cvelistv5 – Published: 2020-05-13 19:07 – Updated: 2024-09-16 22:15
VLAI
Title
PAN-OS: Predictable temporary file vulnerability
Summary
A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.
CWE
  • CWE-377 - Insecure Temporary File
References
Impacted products
Vendor Product Version CPE status
Palo Alto Networks PAN-OS Affected: 7.1.*
Affected: 8.0.*
Affected: 8.1 , < 8.1.13 (custom)
Affected: 9.0 , < 9.0.7 (custom)
Unaffected: 9.1.0 , < 9.1* (custom)
guessed Create a notification for this product.
Date Public
2020-05-13 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:54:00.551Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.paloaltonetworks.com/CVE-2020-1994"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PAN-OS",
          "vendor": "Palo Alto Networks",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.*"
            },
            {
              "status": "affected",
              "version": "8.0.*"
            },
            {
              "changes": [
                {
                  "at": "8.1.13",
                  "status": "unaffected"
                }
              ],
              "lessThan": "8.1.13",
              "status": "affected",
              "version": "8.1",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "9.0.7",
                  "status": "unaffected"
                }
              ],
              "lessThan": "9.0.7",
              "status": "affected",
              "version": "9.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.1*",
              "status": "unaffected",
              "version": "9.1.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was found by a customer."
        }
      ],
      "datePublic": "2020-05-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-377",
              "description": "CWE-377 Insecure Temporary File",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-10T17:22:01.000Z",
        "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
        "shortName": "palo_alto"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.paloaltonetworks.com/CVE-2020-1994"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies.\n\nPAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes."
        }
      ],
      "source": {
        "defect": [
          "PAN-123391"
        ],
        "discovery": "USER"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2020-05-13T00:00:00.000Z",
          "value": "Initial publication"
        }
      ],
      "title": "PAN-OS: Predictable temporary file vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@paloaltonetworks.com",
          "DATE_PUBLIC": "2020-05-13T16:00:00.000Z",
          "ID": "CVE-2020-1994",
          "STATE": "PUBLIC",
          "TITLE": "PAN-OS: Predictable temporary file vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "PAN-OS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "8.1",
                            "version_value": "8.1.13"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "9.0",
                            "version_value": "9.0.7"
                          },
                          {
                            "version_affected": "=",
                            "version_name": "7.1",
                            "version_value": "7.1.*"
                          },
                          {
                            "version_affected": "=",
                            "version_name": "8.0",
                            "version_value": "8.0.*"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "8.1",
                            "version_value": "8.1.13"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "9.0",
                            "version_value": "9.0.7"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "9.1",
                            "version_value": "9.1.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Palo Alto Networks"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "This issue was found by a customer."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-377 Insecure Temporary File"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.paloaltonetworks.com/CVE-2020-1994",
              "refsource": "MISC",
              "url": "https://security.paloaltonetworks.com/CVE-2020-1994"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies.\n\nPAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes."
          }
        ],
        "source": {
          "defect": [
            "PAN-123391"
          ],
          "discovery": "USER"
        },
        "timeline": [
          {
            "lang": "en",
            "time": "2020-05-13T00:00:00.000Z",
            "value": "Initial publication"
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2020-1994",
    "datePublished": "2020-05-13T19:07:13.915Z",
    "dateReserved": "2019-12-04T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:15:17.616Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-1994",
      "date": "2026-09-15",
      "epss": "0.00236",
      "percentile": "0.14706"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.1.0\", \"versionEndIncluding\": \"7.1.26\", \"matchCriteriaId\": \"9223062F-C3E8-4D86-88E4-70D775D1151F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"8.0.0\", \"versionEndIncluding\": \"8.0.20\", \"matchCriteriaId\": \"2BEFBF38-AF84-4477-A6B9-5BDD51D54F4F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"8.1.0\", \"versionEndExcluding\": \"8.1.13\", \"matchCriteriaId\": \"FE88801C-4736-4FCF-90A4-4B4D72774502\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"9.0.0\", \"versionEndIncluding\": \"9.0.6\", \"matchCriteriaId\": \"2E1FBE03-D5D4-473D-971C-3E4F8FBFADE4\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de archivo temporal predecible en PAN-OS, permite a un usuario autenticado local con acceso de shell corromper archivos de sistema arbitrarios afectando la integridad del sistema. Este problema afecta: Todas las versiones de PAN-OS 7.1 y 8.0; PAN-OS versiones 8.1 anteriores a 8.1.13; PAN-OS versiones 9.0 anteriores a 9.0.7.\"}]",
      "id": "CVE-2020-1994",
      "lastModified": "2024-11-21T05:11:48.507",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@paloaltonetworks.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N\", \"baseScore\": 4.1, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 0.5, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\", \"baseScore\": 4.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 0.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:N/I:C/A:N\", \"baseScore\": 4.9, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-05-13T19:15:12.440",
      "references": "[{\"url\": \"https://security.paloaltonetworks.com/CVE-2020-1994\", \"source\": \"psirt@paloaltonetworks.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.paloaltonetworks.com/CVE-2020-1994\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "psirt@paloaltonetworks.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"psirt@paloaltonetworks.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-377\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-1994\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2020-05-13T19:15:12.440\",\"lastModified\":\"2024-11-21T05:11:48.507\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de archivo temporal predecible en PAN-OS, permite a un usuario autenticado local con acceso de shell corromper archivos de sistema arbitrarios afectando la integridad del sistema. Este problema afecta: Todas las versiones de PAN-OS 7.1 y 8.0; PAN-OS versiones 8.1 anteriores a 8.1.13; PAN-OS versiones 9.0 anteriores a 9.0.7.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":4.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.5,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:C/A:N\",\"baseScore\":4.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-377\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1.0\",\"versionEndIncluding\":\"7.1.26\",\"matchCriteriaId\":\"9223062F-C3E8-4D86-88E4-70D775D1151F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.0.20\",\"matchCriteriaId\":\"2BEFBF38-AF84-4477-A6B9-5BDD51D54F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.1.0\",\"versionEndExcluding\":\"8.1.13\",\"matchCriteriaId\":\"FE88801C-4736-4FCF-90A4-4B4D72774502\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndIncluding\":\"9.0.6\",\"matchCriteriaId\":\"2E1FBE03-D5D4-473D-971C-3E4F8FBFADE4\"}]}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-1994\",\"source\":\"psirt@paloaltonetworks.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-1994\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…