Debian Security Bug TrackerDEBIANCVE:CVE-2021-45079CVE-2021-45079
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
0.002 Low
EPSS
Percentile
53.5%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | strongswan | < 5.9.5-1 | strongswan_5.9.5-1_all.deb |
| Debian | 11 | all | strongswan | < 5.9.1-1+deb11u2 | strongswan_5.9.1-1+deb11u2_all.deb |
| Debian | 10 | all | strongswan | < 5.7.2-1+deb10u2 | strongswan_5.7.2-1+deb10u2_all.deb |
| Debian | 999 | all | strongswan | < 5.9.5-1 | strongswan_5.9.5-1_all.deb |
| Debian | 13 | all | strongswan | < 5.9.5-1 | strongswan_5.9.5-1_all.deb |
Related
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
0.002 Low
EPSS
Percentile
53.5%