Medium severity · published Jan 25, 2018
CVE-2017-15703
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…
5.0
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NI
Nifi · Apache
1.0.0 through 1.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15703
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15703
Vendor Advisory
https://nifi.apache.org/security.html#CVE-2017-15703
More from Nifi
9.8
CVE-2026-68979
Apache NiFi: Missing Authorization for Components Referenced by Parameter Context Updates
9.8
CVE-2018-1309
Apache NiFi External XML Entity issue in SplitXML processor
9.8
CVE-2017-15697
A malicious X-ProxyContextPath or X-Forwarded-Context header containing external resources or embedded code could cause remote code execution
9.8
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…
9.1
CVE-2026-68980
Apache NiFi: Authorization Bypass for Parameter Context Asset Deletion
