CVE Feed

    Dashboard / CVE / CVE-2017-12623

    CVE-2017-12623

    An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

    Published:Oct 10, 2017
    Last Modified:Apr 20, 2025
    EPS:Oct 10, 2017
    EPSS Score:0.00506
    CVSS Score:6.5

    Affected Products

    Vendor
    Apache
    Product
    Nifi

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

    CVE-2026-68981 (CVSS 8.8) — Apache NiFi 1.5.0 through 2.10.0 support gzip-encoded HTTP requests for the application REST API using a Jerse…
    CVE-2026-68980 (CVSS 2.3) — Apache NiFi 2.0.0 through 2.10.0 support creating, reading, and deleting Assets associated with Parameter Cont…
    CVE-2026-62354 (CVSS 7.7) — Authorization handling for Parameter Context validation requests in Apache NiFi 1.10.0 through 2.10.0 allows c…
    CVE-2026-68979 (CVSS 5.9) — Apache NiFI 1.10.0 through 2.10.0 provide a Parameter Context update REST API method that does not enforce aut…
    CVE-2026-44914 (CVSS 7.5) — Apache NiFi 1.12.0 through 2.9.0 are missing authorization when replacing Process Groups that include extensio…
    CVE-2026-44911 (CVSS 2.3) — Authorization handling for component configuration verification requests in Apache NiFi 1.15.0 through 2.9.0 a…
    CVE-2026-44913 (CVSS 5.2) — Improper escaping of database table names in the CaptureChangeMySQL Processor included with Apache NiFi 1.2.0 …
    CVE-2026-54665 (CVSS 6.3) — Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that …
    CVE-2026-39816 (CVSS 7.5) — The optional extension component TinkerpopClientService is missing the Restricted annotation with the Execute …
    CVE-2026-25903 (CVSS 8.7) — Apache NiFi 1.1.0 through 2.7.2 are missing authorization when updating configuration properties on extension …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High