CVE-2017-5636

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.04% Top 25%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache NiFi
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/96731 vdb entry third party advisory
https://nifi.apache.org/security.html#CVE-2017-5636 issue tracking vendor advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2017-5636?
CVE-2017-5636 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5636?
To fix CVE-2017-5636, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5636 being actively exploited in the wild?
It is possible that CVE-2017-5636 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-5636?
CVE-2017-5636 affects Apache Software Foundation Apache NiFi.
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