Is CVE-2019-10196 actively exploited?

No active exploitation of CVE-2019-10196 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-10196 be exploited remotely?

Yes. CVE-2019-10196 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-10196?

CVE-2019-10196 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-10196

CWE-665Published: March 19, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. This could result in a Denial of Service through the usage of all available CPU resources and data exposure through an uninitialized memory leak in setups where an attacker could submit typed input to the auth parameter.

NVD Source

Technical Analysis

CVE-2019-10196 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), availability disruption (denial of service), with a CVSS base score of 9.8.