CVE-2020-24719 Information disclosure in n/a

Critical 9.8 Published 12 Nov 2020 Updated 4 Aug 2024

Exposed Erlang cookies in logs allow attackers to attach to nodes and execute remote OS commands, requiring an upgrade to secure the secret.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-24719?

CVE-2020-24719 is a critical vulnerability in Couchbase Couchbase Server, published on 12 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2020-24719?

It affects 1 product.

Products include Couchbase Couchbase Server.

How do I fix CVE-2020-24719?

No fix has been published for CVE-2020-24719 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-24719 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-24719 exists.

Public exploit code: 1 Metasploit module.

All Couchbase Couchbase Server vulnerabilities

Sources

Also known as GHSA-gvjj-4rcj-mxhw.