CVE-2021-37778

Name: CVE-2021-37778
Creator: NVD / NIST
Published: 2022-06-30T15:15:07.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2021-37778 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. There is a buffer overflow in gps-sdr-sim v1.0 when parsing long command line parameters, which can lead to DoS or code execution.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

There is a buffer overflow in gps-sdr-sim v1.0 when parsing long command line parameters, which can lead to DoS or code execution.

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

1.29%

66.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Gps-Sdr-Sim Project	Gps-Sdr-Sim	1.0

References

https://github.com/osqzss/gps-sdr-sim/issues/294Exploit, Issue Tracking, Third Party Advisory
https://github.com/osqzss/gps-sdr-sim/issues/294Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 30, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37778?

There is a buffer overflow in gps-sdr-sim v1.0 when parsing long command line parameters, which can lead to DoS or code execution.

How severe is CVE-2021-37778?

CVE-2021-37778 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37778?

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-2021-37778?

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

Scan your code now

Source: NVD / NIST