Medium severity · published Oct 1, 2020
CVE-2020-13940
In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently…
5.5
CVSS
1.9%
EPSS
No
On KEV
Description
In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% 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 1.11.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13940
Vendor Advisory
https://nifi.apache.org/security#CVE-2020-13940
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