What’s Vulnerable › Vulnerabilities

CVE-2017-15703

• Severity: medium (CVSS 5.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-25 · updated 2026-06-17
• Weakness: CWE-502

Description

Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Affected products

• Apache Software Foundation Apache NiFi: from 1.0.0 through 1.4.0

References

• https://nifi.apache.org/security.html#CVE-2017-15703
• https://nifi.apache.org/security.html#CVE-2017-15703

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