Vulnerability Intelligence Report
CVE-2021-3621
A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:2.52%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-77 ↗CWE-77
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| fedoraproject | sssd | 2.6.0 |
| redhat | virtualization | 4.0 |
| redhat | virtualization_host | 4.0 |
| redhat | enterprise_linux | 6.0, 7.0, 8.0 |
| redhat | enterprise_linux_eus | 8.1, 8.2 |
| redhat | enterprise_linux_server_aus | 8.2, 8.4 |
| redhat | enterprise_linux_server_tus | 8.2, 8.4 |
| fedoraproject | fedora | 34 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.524%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2021-06-24T00:00:00 |
| Published | 2021-12-23T00:00:00 |
| Last Updated | 2025-11-03T20:33:46 |
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