#VU27864 Improper Authorization in MongoDB - CVE-2020-7921

Vulnerability identifier: #VU27864

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-7921

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MongoDB
Server applications / Database software

Vendor: MongoDB, Inc.

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect serialization of internal state in the authorization subsystem in MongoDB Server. A remote attacker with valid user credentials can bypass IP whitelisting protection mechanism and gain access to the MongoDB server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MongoDB: 3.6.0 - 4.3.2

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External links
https://jira.mongodb.org/browse/SERVER-45472

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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