CVE-2020-7925: high-severity vulnerability in MongoDB Server
Denial of Service when processing malformed Role names
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.7%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
MongoDB Inc. · MongoDB ServerRelated CVEs — MongoDB Server
In the same product, most dangerous first.
CVE-2025-14847HIGHZlib compressed protocol header length confusion may allow memory readEPSS 83.2%KEVCVE-2021-32040MEDIUMLarge aggregation pipelines with a specific stage can crash mongod under default configurationEPSS 2.0%CVE-2019-20925HIGHDenial of service via malformed network packetEPSS 1.7%CVE-2018-20802MEDIUMPost-auth queries on compound index may crash mongodEPSS 1.6%CVE-2020-7928MEDIUMImproper neutralization of null byte leads to read overrunEPSS 1.4%CVE-2018-20803MEDIUMInfinite loop in aggregation expressionEPSS 1.4%