Vulnerability Intelligence Report
CVE-2021-42377
An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:3.38%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-590 ↗CWE-590
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| busybox | busybox | unspecified < 1.34.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.379%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | JFrog · Vendor · Israel |
| Reserved | 2021-10-14T00:00:00 |
| Published | 2021-11-15T00:00:00 |
| Last Updated | 2024-08-04T03:30:38 |
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