Vulnerability Intelligence Report
CVE-2021-20316
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
No Active Exploit Signals
CVSS Base Score
6.8
MEDIUM
EPSS Probability:0.76%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-362 ↗CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| samba | samba | all |
| debian | debian_linux | 10.0, 11.0 |
| redhat | virtualization_host | 4.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux_aus | 8.6 |
| redhat | enterprise_linux_eus | 8.6 |
| redhat | enterprise_linux_tus | 8.6 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.761%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2020-12-17T00:00:00 |
| Published | 2022-08-23T00:00:00 |
| Last Updated | 2024-08-03T17:37:23 |
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