CVE-2021-26076 (GCVE-0-2021-26076)

Vulnerability from cvelistv5 – Published: 2021-04-14 23:45 – Updated: 2024-10-17 14:12
VLAI
Summary
The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • Security Misconfiguration
Assigner
References
Impacted products
Vendor Product Version
Atlassian Jira Server Affected: unspecified , < 8.5.12 (custom)
Affected: 8.6.0 , < unspecified (custom)
Affected: unspecified , < 8.13.4 (custom)
Affected: 8.14.0 , < unspecified (custom)
Affected: unspecified , < 8.15.0 (custom)
Create a notification for this product.
Atlassian Jira Data Center Affected: unspecified , < 8.5.12 (custom)
Affected: 8.6.0 , < unspecified (custom)
Affected: unspecified , < 8.13.4 (custom)
Affected: 8.14.0 , < unspecified (custom)
Affected: unspecified , < 8.15.0 (custom)
Create a notification for this product.
Date Public
2021-04-14 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:19:19.447Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jira.atlassian.com/browse/JRASERVER-72252"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-26076",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-17T14:12:15.793730Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-17T14:12:32.765Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jira Server",
          "vendor": "Atlassian",
          "versions": [
            {
              "lessThan": "8.5.12",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "8.6.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.13.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "8.14.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.15.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Jira Data Center",
          "vendor": "Atlassian",
          "versions": [
            {
              "lessThan": "8.5.12",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "8.6.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.13.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "8.14.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.15.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-04-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Security Misconfiguration",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-14T23:45:19.000Z",
        "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
        "shortName": "atlassian"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jira.atlassian.com/browse/JRASERVER-72252"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@atlassian.com",
          "DATE_PUBLIC": "2021-04-14T00:00:00",
          "ID": "CVE-2021-26076",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Jira Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.5.12"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "8.6.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.13.4"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "8.14.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.15.0"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Jira Data Center",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.5.12"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "8.6.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.13.4"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "8.14.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.15.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Atlassian"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Security Misconfiguration"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jira.atlassian.com/browse/JRASERVER-72252",
              "refsource": "MISC",
              "url": "https://jira.atlassian.com/browse/JRASERVER-72252"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
    "assignerShortName": "atlassian",
    "cveId": "CVE-2021-26076",
    "datePublished": "2021-04-14T23:45:19.196Z",
    "dateReserved": "2021-01-25T00:00:00.000Z",
    "dateUpdated": "2024-10-17T14:12:32.765Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-26076",
      "date": "2026-06-04",
      "epss": "0.00214",
      "percentile": "0.43902"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26076\",\"sourceIdentifier\":\"security@atlassian.com\",\"published\":\"2021-04-15T00:15:12.983\",\"lastModified\":\"2024-11-21T05:55:49.403\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.\"},{\"lang\":\"es\",\"value\":\"La cookie jira.editor.user.mode ajustada por Jira Editor Plugin en Jira Server y Data Center versiones anteriores a 8.5.12, desde versi\u00f3n 8.6.0 versiones anteriores a 8.13.4 y desde versi\u00f3n 8.14.0 versiones anteriores a 8.15.0, permite a atacantes an\u00f3nimos remotos poder llevar a cabo un ataque de tipo  attacker in the middle  para saber en qu\u00e9 modo est\u00e1 editando un usuario debido a que la cookie no est\u00e1 ajustada con un atributo seguro si Jira estaba configurado para usar https\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":3.7,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"8.5.12\",\"matchCriteriaId\":\"09C2E603-3885-467B-8720-DF14A23075C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"8.5.12\",\"matchCriteriaId\":\"AD4EEB38-868D-4E69-80A7-899BD9323B3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.6.0\",\"versionEndExcluding\":\"8.13.4\",\"matchCriteriaId\":\"46468A73-9066-4ADA-BF9A-0DDF3EE9F69E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.14.0\",\"versionEndExcluding\":\"8.15.1\",\"matchCriteriaId\":\"9F4C4682-A56A-4BEA-AFD7-6F116FCE8EF9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.6.0\",\"versionEndExcluding\":\"8.13.4\",\"matchCriteriaId\":\"8BE06262-0589-4549-A3F2-6AA02A2E346D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.14.0\",\"versionEndExcluding\":\"8.15.1\",\"matchCriteriaId\":\"3C31DC16-F8E3-4261-B539-C251E4BBC584\"}]}]}],\"references\":[{\"url\":\"https://jira.atlassian.com/browse/JRASERVER-72252\",\"source\":\"security@atlassian.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://jira.atlassian.com/browse/JRASERVER-72252\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://jira.atlassian.com/browse/JRASERVER-72252\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T20:19:19.447Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26076\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-17T14:12:15.793730Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-17T14:12:25.263Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Atlassian\", \"product\": \"Jira Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.5.12\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"8.6.0\", \"lessThan\": \"unspecified\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.13.4\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"8.14.0\", \"lessThan\": \"unspecified\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.15.0\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Atlassian\", \"product\": \"Jira Data Center\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.5.12\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"8.6.0\", \"lessThan\": \"unspecified\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.13.4\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"8.14.0\", \"lessThan\": \"unspecified\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"8.15.0\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2021-04-14T00:00:00.000Z\", \"references\": [{\"url\": \"https://jira.atlassian.com/browse/JRASERVER-72252\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Security Misconfiguration\"}]}], \"providerMetadata\": {\"orgId\": \"f08a6ab8-ed46-4c22-8884-d911ccfe3c66\", \"shortName\": \"atlassian\", \"dateUpdated\": \"2021-04-14T23:45:19.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"8.5.12\", \"version_affected\": \"\u003c\"}, {\"version_value\": \"8.6.0\", \"version_affected\": \"\u003e=\"}, {\"version_value\": \"8.13.4\", \"version_affected\": \"\u003c\"}, {\"version_value\": \"8.14.0\", \"version_affected\": \"\u003e=\"}, {\"version_value\": \"8.15.0\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"Jira Server\"}, {\"version\": {\"version_data\": [{\"version_value\": \"8.5.12\", \"version_affected\": \"\u003c\"}, {\"version_value\": \"8.6.0\", \"version_affected\": \"\u003e=\"}, {\"version_value\": \"8.13.4\", \"version_affected\": \"\u003c\"}, {\"version_value\": \"8.14.0\", \"version_affected\": \"\u003e=\"}, {\"version_value\": \"8.15.0\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"Jira Data Center\"}]}, \"vendor_name\": \"Atlassian\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://jira.atlassian.com/browse/JRASERVER-72252\", \"name\": \"https://jira.atlassian.com/browse/JRASERVER-72252\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Security Misconfiguration\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-26076\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"security@atlassian.com\", \"DATE_PUBLIC\": \"2021-04-14T00:00:00\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26076\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-17T14:12:32.765Z\", \"dateReserved\": \"2021-01-25T00:00:00.000Z\", \"assignerOrgId\": \"f08a6ab8-ed46-4c22-8884-d911ccfe3c66\", \"datePublished\": \"2021-04-14T23:45:19.196Z\", \"assignerShortName\": \"atlassian\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.