CVE-2022-34970

Name: CVE-2022-34970
Creator: NVD / NIST
Published: 2022-08-04T19:15:09.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.80%

Last modified Jun 17, 2026

CVE-2022-34970 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.80%

84.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions
Crowcpp	Crow	< 1.0\+4

References

https://cwe.mitre.org/data/definitions/193.htmlThird Party Advisory
https://github.com/0xhebi/CVE-2022-34970/blob/master/report.mdExploit, Third Party Advisory
https://github.com/CrowCpp/Crow/pull/486Patch, Third Party Advisory
https://github.com/CrowCpp/Crow/releases/tag/v1.0%2B4Third Party Advisory
https://cwe.mitre.org/data/definitions/193.htmlThird Party Advisory
https://github.com/0xhebi/CVE-2022-34970/blob/master/report.mdExploit, Third Party Advisory
https://github.com/CrowCpp/Crow/pull/486Patch, Third Party Advisory
https://github.com/CrowCpp/Crow/releases/tag/v1.0%2B4Third Party Advisory

Timeline

Published: Aug 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34970?

How severe is CVE-2022-34970?

CVE-2022-34970 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.80% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34970?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34970?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST