Information disclosure in SSB-DB and SSB-Server packages for npm

Published: 2020-06-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-4045
Exploitation vector Network
Public exploit N/A
Vulnerable software
Server applications / Database software

Web applications / Modules and components for CMS

Vendor Secure Scuttlebutt Consortium

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU29123

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4045

CWE-ID: CWE-200 - Information exposure

Exploit availability: No


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the "get()" method. A remote attacker can gain unauthorized access to sensitive information on the system.

Note: This only affects peers who also have private messages, and is only known to be exploitable if you're also running in SSB-Server.


Install updates from vendor's website.

Vulnerable software versions

ssb-server: 16.0.0

ssb-db: 20.0.0

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.