How severe is CVE-2022-29930?

CVE-2022-29930 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-29930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29930?

CVE-2022-29930 affects Jetbrains Ktor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29930?

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-2022-29930 published?

CVE-2022-29930 was published on 2022-05-12 and last updated on 2026-06-17.

CVE-2022-29930

CVE-2022-29930 is a high-severity vulnerability in Jetbrains Ktor with a CVSS 3.x base score of 8.7. 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-330.

Key facts

Severity: High (CVSS 3.x base score 8.7)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Jetbrains Ktor
Published: 2022-05-12
Last modified: 2026-06-17

Description

SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1.

Frequently asked questions

What is CVE-2022-29930?: SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1.
How severe is CVE-2022-29930?: CVE-2022-29930 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-29930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29930?: CVE-2022-29930 affects Jetbrains Ktor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29930?: 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-2022-29930 published?: CVE-2022-29930 was published on 2022-05-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jetbrains:ktor:2.0.0:*:*:*:*:*:*:*

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