CVE-2018-12122

What it is

Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated resources alive for a long period of time.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

41.3% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2018-11-28 17:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-08 22:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 41.3% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2018-11-28 17:29 UTC

Last modified

2026-10-08 22:16 UTC

Exploit probability

41.3% · EPSS, next 30 days

Weakness

CWE-400 · Uncontrolled resource consumption

Record status

Modified

Affected

• Nodejs node.js < 6.15.1
• Nodejs node.js < 8.14.0
• Nodejs node.js < 10.14.0
• Nodejs node.js < 11.3.0
• Suse Enterprise Storage 4
• Suse Linux Enterprise Server 12
• Suse Linux Enterprise Server 15
• Suse Openstack Cloud 7

Attack profile CVSS 3.1 · 7.5

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-12122.md and follow it. Check whether this project is affected by CVE-2018-12122. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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