CVE-2021-20789
| Summary |
Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to redirect a user to an arbitrary web site and conduct a phishing attack via a specially crafted URL.
|
| Publication Date |
July 30, 2021, 11:15 p.m. |
| Registration Date |
July 31, 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:*:*:*:*:*:*:*:* |
3.0.3 |
|
|
5.1.0 |
| cpe:2.3:a:groupsession:groupsession_bycloud:*:*:*:*:*:*:*:* |
3.0.3 |
|
|
5.1.0 |
| cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* |
2.20 |
|
|
5.1.0 |
Related information, measures and tools
Common Vulnerabilities List