Vulnerability · Published Nov 23, 2020 · Assigned by mongodb

CVE-2020-7925Denial of Service when processing malformed Role names

High 7.5

In plain English

A high-severity security flaw in MongoDB Server from MongoDB Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.

Affected products (as reported)

VendorProductVersions
MongoDB Inc. MongoDB Server 4.2 – before 4.2.94.4 – before 4.4.0-rc12

Weakness: CWE-475 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References