How severe is CVE-2020-7925?

CVE-2020-7925 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-7925 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7925?

CVE-2020-7925 primarily affects Mongodb. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7925?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-7925 published?

CVE-2020-7925 was published on 2020-11-23 and last updated on 2026-06-17.

CVE-2020-7925

CVE-2020-7925 is a high-severity vulnerability in Mongodb with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mongodb
Published: 2020-11-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-7925?: 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.
How severe is CVE-2020-7925?: CVE-2020-7925 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-7925 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7925?: CVE-2020-7925 primarily affects Mongodb. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7925?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7925 published?: CVE-2020-7925 was published on 2020-11-23 and last updated on 2026-06-17.

References

https://jira.mongodb.org/browse/SERVER-49142

Affected products (12)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc10:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc11:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc3:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc4:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc5:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc6:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc7:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc8:*:*:*:*:*:*
cpe:2.3:a:mongodb:mongodb:4.4.0:rc9:*:*:*:*:*:*

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