CVE-2020-15149 Account takeover in NodeBB

Critical 9.9 Published Updated

Attackers can take over any user account and escalate privileges by sending a crafted socket.io request to the NodeBB forum server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-15149?

CVE-2020-15149 is a critical authentication bypass vulnerability in NodeBB, published on 19 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

NodeBB before version 1.14.3 has a bug introduced in version 1.12.2 in the validation logic that makes it possible to change the password of any user on a running NodeBB forum by sending a specially crafted socket.io call to the server. This could lead to a privilege escalation event due via an account takeover. As a workaround you may cherry-pick the following commit from the project's repository to your running instance of NodeBB: 16cee1b03ba3eee177834a1fdac4aa8a12b39d2a. This is fixed in version 1.14.3.

Weakness: CWE-287, CWE-269

Which versions are affected by CVE-2020-15149?

It affects 1 product.

Products include Nodebb Nodebb.

How do I fix CVE-2020-15149?

No fix has been published for CVE-2020-15149 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-15149 being exploited?

There is no known exploitation of CVE-2020-15149 in the wild and no public exploit code.

Sources

Also known as GHSA-hr66-c8pg-5mg7.

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