How severe is CVE-2021-42692?

CVE-2021-42692 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-42692 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42692?

CVE-2021-42692 affects Tinytoml Project Tinytoml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42692?

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

When was CVE-2021-42692 published?

CVE-2021-42692 was published on 2022-05-26 and last updated on 2026-06-17.

CVE-2021-42692

CVE-2021-42692 is a medium-severity vulnerability in Tinytoml Project Tinytoml with a CVSS 3.x base score of 6.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tinytoml Project Tinytoml
Published: 2022-05-26
Last modified: 2026-06-17

Description

There is a stack-overflow vulnerability in tinytoml v0.4 that can cause a crash or DoS.

Frequently asked questions

What is CVE-2021-42692?: There is a stack-overflow vulnerability in tinytoml v0.4 that can cause a crash or DoS.
How severe is CVE-2021-42692?: CVE-2021-42692 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-42692 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42692?: CVE-2021-42692 affects Tinytoml Project Tinytoml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42692?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42692 published?: CVE-2021-42692 was published on 2022-05-26 and last updated on 2026-06-17.

References

https://github.com/mayah/tinytoml/issues/49

Affected products (1)

cpe:2.3:a:tinytoml_project:tinytoml:0.4:*:*:*:*:*:*:*

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