CVE-2021-45079
CVSS V2 Medium 5.8
CVSS V3 Critical 9.1
Description
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.
Overview
- CVE ID
- CVE-2021-45079
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-31T08:15:07
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* | 1 | OR | 4.1.2 | 5.9.5 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.1
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.strongswan.org/blog/2022/01/24/strongswan-vulnerability-(cve-2021-45079).html | Mitigation Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-45079 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45079 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:33:51 | Added to TrackCVE | |||
| 2022-12-06 08:11:34 | 2022-01-31T08:15Z | 2022-01-31T08:15:07 | CVE Published Date | updated |
| 2022-12-06 08:11:34 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-06 08:11:34 | Analyzed | Vulnerability Status | updated |