CVE-2017-15703
Denial of service via deserialization attack in nifi
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-15703- CVSS 3.0
- 5.0 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:N/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-15703- Updated
- 2026-11-02
EUVDEUVD-2019-0720 No score
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.
- Record
EUVD-2019-0720- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwx6-vmj4-5rv8
Denial of service via deserialization attack in nifi
A vulnerability found in Apache NIFI before 1.5.0-RC1. Attacker can perform XXE attacks through JAXB.
- Record
GHSA-xwx6-vmj4-5rv8- CVSS 3.0
- 5.0 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-15703- CVSS 3.0
- 5.0 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-xwx6-vmj4-5rv8
Denial of service via deserialization attack in nifi
A vulnerability found in Apache NIFI before 1.5.0-RC1. Attacker can perform XXE attacks through JAXB.
- Record
GHSA-xwx6-vmj4-5rv8- CVSS 3.0
- 5.0 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.nifi:nifi-framework-cluster-protocolMaven |
before 1.5.0 | 1.5.0 |
org.apache.nifi:nifi-framework-cluster-protocolMaven |
before 1.5.0, plus listed versions 0.0.1-incubating0.0.2-incubating0.1.0-incubating0.2.0-incubating0.2.1 Show 21 moreShow less0.3.00.4.00.4.10.5.00.5.10.6.00.6.10.7.00.7.10.7.20.7.30.7.41.0.01.0.0-BETA1.0.11.1.01.1.11.1.21.2.01.3.01.4.0 |
1.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-15703 is a medium vulnerability (CVSS 5.0) in Apache Nifi, published January 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. Fixed in org.apache.nifi:nifi-framework-cluster-protocol 1.5.0.