How severe is CVE-2021-32036?

CVE-2021-32036 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-32036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32036?

CVE-2021-32036 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32036?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-32036 published?

CVE-2021-32036 was published on 2022-02-04 and last updated on 2026-06-17.

CVE-2021-32036

CVE-2021-32036 is a medium-severity vulnerability in Mongodb with a CVSS 3.x base score of 5.4. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Mongodb
Published: 2022-02-04
Last modified: 2026-06-17

Description

An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases could result in id field collisions. This issue affects MongoDB Server v5.0 versions prior to and including 5.0.3; MongoDB Server v4.4 versions prior to and including 4.4.9; MongoDB Server v4.2 versions prior to and including 4.2.16 and MongoDB Server v4.0 versions prior to and including 4.0.28

Frequently asked questions

What is CVE-2021-32036?: An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases could result in id field collisions. This issue affects MongoDB Server v5.0 versions prior to and including 5.0.3; MongoDB Server v4.4 versions prior to and including 4.4.9; MongoDB Server v4.2 versions prior to and including 4.2.16 and MongoDB Server v4.0 versions prior to and including 4.0.28
How severe is CVE-2021-32036?: CVE-2021-32036 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-32036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32036?: CVE-2021-32036 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32036?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32036 published?: CVE-2021-32036 was published on 2022-02-04 and last updated on 2026-06-17.

References

https://jira.mongodb.org/browse/SERVER-59294

Affected products (1)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

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CVE-2026-31283 — Critical (CVSS 9.8): In Totara LMS v19.1.5 and before, the forgot password API does not implement rate limiting for the target email…
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Threat intelligence

Threat-intel indicators referencing this CVE:

43.142.122.71 (ipv4-addr)
220.95.40.69 (ipv4-addr)
160.202.253.14 (ipv4-addr)
122.154.58.9 (ipv4-addr)
122.13.25.55 (ipv4-addr)
120.198.23.233 (ipv4-addr)
203.154.34.104 (ipv4-addr)
34.143.238.151 (ipv4-addr)