CVE-2021-45079
| Summary |
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.
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| Publication Date |
Jan. 31, 2022, 5:15 p.m. |
| Registration Date |
Feb. 1, 2022, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:31 p.m. |
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CVSS3.1 : CRITICAL
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| スコア |
9.1
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| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
高 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
高 |
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CVSS2.0 : MEDIUM
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| Score |
5.8
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| Vector |
AV:N/AC:M/Au:N/C:P/I:N/A:P |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
中 |
| 攻撃前の認証要否(Au) |
不要 |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
| Get all privileges. |
いいえ
|
| Get user privileges |
いいえ
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| Get other privileges |
いいえ
|
| User operation required |
いいえ
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Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
4.1.2 |
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5.9.5 |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
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| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
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| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
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| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
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| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* |
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| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
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| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:9.0:*:*:*:*:*:*:* |
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| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* |
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| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
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| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
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| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* |
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| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
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| cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* |
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Related information, measures and tools
Common Vulnerabilities List