CVE-2020-24719

Name: CVE-2020-24719
Creator: NVD / NIST
Published: 2020-11-12T21:15:10.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 23.30%

Last modified Jun 17, 2026

CVE-2020-24719 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Exposed Erlang Cookie could lead to Remote Command Execution (RCE) attack. Communication between Erlang nodes is done by exchanging a shared secret (aka "magic cookie"). EPSS estimates a 23.30% chance of exploitation in the next 30 days.

Description

Exposed Erlang Cookie could lead to Remote Command Execution (RCE) attack. Communication between Erlang nodes is done by exchanging a shared secret (aka "magic cookie"). There are cases where the magic cookie is included in the content of the logs. An attacker can use the cookie to attach to an Erlang node and run OS level commands on the system running the Erlang node. Affects version: 6.5.1. Fix version: 6.6.0.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

23.30%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Couchbase	Couchbase Server	>= 6.5.1, < 6.6.0

References

https://www.couchbase.com/resources/security#VulnerabilityReportingVendor Advisory
https://www.couchbase.com/resources/security#VulnerabilityReportingVendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24719?

How severe is CVE-2020-24719?

CVE-2020-24719 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 23.30% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24719?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24719?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST