How severe is CVE-2022-34970?

CVE-2022-34970 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34970 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34970?

CVE-2022-34970 affects Crowcpp Crow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34970?

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

When was CVE-2022-34970 published?

CVE-2022-34970 was published on 2022-08-04 and last updated on 2026-06-17.

CVE-2022-34970

CVE-2022-34970 is a critical-severity vulnerability in Crowcpp Crow with a CVSS 3.x base score of 9.8. 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-193.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-193
Affected product: Crowcpp Crow
Published: 2022-08-04
Last modified: 2026-06-17

Description

Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.

Frequently asked questions

What is CVE-2022-34970?: Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
How severe is CVE-2022-34970?: CVE-2022-34970 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34970 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34970?: CVE-2022-34970 affects Crowcpp Crow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34970?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-34970 published?: CVE-2022-34970 was published on 2022-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crowcpp:crow:*:*:*:*:*:*:*:*

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