Is CVE-2019-12131 actively exploited?

No active exploitation of CVE-2019-12131 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-12131 be exploited remotely?

Yes. CVE-2019-12131 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-12131?

CVE-2019-12131 has a CVSS score of 9.1 (CRITICAL).

HOME VULNERABILITIESCVE-2019-12131

CRITICAL

CVE-2019-12131

CWE-290Published: March 18, 2020· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official Description

An issue was detected in ONAP APPC through Dublin and SDC through Dublin. By setting a USER_ID parameter in an HTTP header, an attacker may impersonate an arbitrary existing user without any authentication. All APPC and SDC setups are affected.

NVD Source

Technical Analysis

CVE-2019-12131 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.