What’s Vulnerable › Vulnerabilities

CVE-2017-5636

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-19 · updated 2026-06-17
• Weakness: CWE-74

Description

In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.

Affected products

• Apache Software Foundation Apache NiFi: 0.7.0, 0.7.1, 1.1.0, 1.1.1

References

• http://www.securityfocus.com/bid/96731
• https://nifi.apache.org/security.html#CVE-2017-5636
• http://www.securityfocus.com/bid/96731
• https://nifi.apache.org/security.html#CVE-2017-5636

Get alerted when CVE-2017-5636 or the next vulnerability affects your stack