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[email protected]CVE-2021-26084

HistoryAug 30, 2021 - 7:15 a.m.

CVE-2021-26084

2021-08-3007:15:06

CWE-917

[email protected]

web.nvd.nist.gov

1643

In Wild

nvd

cve-2021-26084

confluence server

confluence data center

ognl injection

vulnerability

unauthenticated attacker

arbitrary code

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.974

Percentile

99.9%

JSON

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

Affected configurations

NVD

Node

atlassianconfluence_data_centerRange<6.13.23

atlassianconfluence_data_centerRange6.14.0–7.4.11

atlassianconfluence_data_centerRange7.5.0–7.11.6

atlassianconfluence_data_centerRange7.12.0–7.12.5

atlassianconfluence_serverRange<6.13.23

atlassianconfluence_serverRange6.14.0–7.4.11

atlassianconfluence_serverRange7.5.0–7.11.6

atlassianconfluence_serverRange7.12.0–7.12.5

CNA Affected

[
  {
    "product": "Confluence Server",
    "vendor": "Atlassian",
    "versions": [
      {
        "lessThan": "6.13.23",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "6.14.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.4.11",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "7.5.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.11.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "7.12.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.12.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Confluence Data Center",
    "vendor": "Atlassian",
    "versions": [
      {
        "lessThan": "6.13.23",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "6.14.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.4.11",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "7.5.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.11.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "7.12.0",
        "versionType": "custom"
      },
      {
        "lessThan": "7.12.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]