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CVE-2019-10196

31
FAUCET Score

CVE-2019-10196 is a critical vulnerability in http-proxy-agent, affecting versions prior to 2.1.0, as well as products from fedoraproject and Red Hat. The flaw allows an attacker to trigger a Denial of Service by exhausting CPU resources and potentially leak sensitive data through uninitialized memory by manipulating the 'auth' parameter without proper sanitization. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to high impacts on confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.0CPE matchmatch criteria
cpe:2.3:a:http-proxy-agent_project:http-proxy-agent:*:*:*:*:*:node.js:*:*
27CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:27:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 56th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

npmpatch availablevia ghsa
Product: http-proxy-agentFixed in: 2.1.0
redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs8-npm

Vendor Advisories (2)

npmGHSA-86wf-436m-h424medium

Resource Exhaustion Denial of Service in http-proxy-agent

Jan 6, 2022
redhatCVE-2019-10196Moderate

nodejs-http-proxy-agent: Denial of Service and data leak due to improper buffer sanitization

Apr 5, 2018

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
npmjs.com / advisories/607
Third Party Advisory