Vulnerability Intelligence Report
CVE-2021-45079
In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.
No Active Exploit Signals
CVSS Base Score
9.1
CRITICAL
EPSS Probability:2.76%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| strongswan | strongswan | all |
| debian | debian_linux | 9.0, 10.0, 11.0 |
| fedoraproject | extra_packages_for_enterprise_linux | 7.0, 8.0, 9.0 |
| fedoraproject | fedora | 34, 35 |
| canonical | ubuntu_linux | 14.04, 16.04, 18.04, 20.04, 21.10 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.761%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-12-16T00:00:00 |
| Published | 2022-01-31T07:15:52 |
| Last Updated | 2024-08-04T04:32:13 |
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