CVE-2021-20875
| Summary |
Open redirect vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks by having a user to access a specially crafted URL.
|
| Publication Date |
Dec. 24, 2021, 4:15 p.m. |
| Registration Date |
Dec. 25, 2021, 10 a.m. |
| Last Update |
Nov. 21, 2024, 2:47 p.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
6.1
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 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) |
要 |
| 影響の想定範囲(S) |
変更あり |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
低 |
| 可用性への影響(A) |
なし |
|
CVSS2.0 : MEDIUM
|
| Score |
5.8
|
| Vector |
AV:N/AC:M/Au:N/C:P/I:P/A:N |
| 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) |
低 |
| 可用性への影響(A) |
なし |
| Get all privileges. |
いいえ
|
| Get user privileges |
いいえ
|
| Get other privileges |
いいえ
|
| User operation required |
はい
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:* |
|
5.1.1 |
|
|
| cpe:2.3:a:groupsession:groupsession:*:*:*:*:cloud:*:*:* |
|
5.1.1 |
|
|
| cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* |
|
5.1.1 |
|
|
Related information, measures and tools
Common Vulnerabilities List