How severe is CVE-2021-38192?

CVE-2021-38192 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-2021-38192 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38192?

CVE-2021-38192 affects Prost Project Prost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38192?

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-2021-38192 published?

CVE-2021-38192 was published on 2021-08-08 and last updated on 2026-06-17.

CVE-2021-38192

CVE-2021-38192 is a high-severity vulnerability in Prost Project Prost 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Prost Project Prost
Published: 2021-08-08
Last modified: 2026-06-17

Description

An issue was discovered in the prost-types crate before 0.8.0 for Rust. An overflow can occur during conversion from Timestamp to SystemTime.

Frequently asked questions

What is CVE-2021-38192?: An issue was discovered in the prost-types crate before 0.8.0 for Rust. An overflow can occur during conversion from Timestamp to SystemTime.
How severe is CVE-2021-38192?: CVE-2021-38192 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-2021-38192 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38192?: CVE-2021-38192 affects Prost Project Prost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38192?: 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-2021-38192 published?: CVE-2021-38192 was published on 2021-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:prost_project:prost:*:*:*:*:*:rust:*:*

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