Vulnerability Details : CVE-2021-42376

A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.
Vulnerability category: Memory CorruptionDenial of service
Published 2021-11-15 21:15:08
Updated 2023-04-25 21:15:10
Source JFrog
View at NVD,   CVE.org

Threat overview for CVE-2021-42376

Top countries where our scanners detected CVE-2021-42376
Top open port discovered on systems with this issue 443
IPs affected by CVE-2021-42376 356,515
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-42376!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-42376

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-42376

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
1.9
 LOW AV:L/AC:M/Au:N/C:N/I:N/A:P
3.4
2.9
 nvd@nist.gov
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
 nvd@nist.gov

CWE ids for CVE-2021-42376

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by:
    • nvd@nist.gov (Primary)
    • reefs@jfrog.com (Secondary)

References for CVE-2021-42376

Products affected by CVE-2021-42376

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close