Critical severity · published Oct 19, 2017
CVE-2017-5636
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…
9.8
CVSS
3.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NI
Nifi · Apache
0.7.0; 0.7.1; 1.1.0; 1.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5636
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5636
Third Party Advisory
http://www.securityfocus.com/bid/96731
Issue Tracking
https://nifi.apache.org/security.html#CVE-2017-5636
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