| Summary | Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle (MITM) attack. |
|---|---|
| Publication Date | Dec. 31, 2004, 2 p.m. |
| Registration Date | Jan. 29, 2021, 6:01 p.m. |
| Last Update | July 20, 2017, 10:29 a.m. |
| CVSS2.0 : MEDIUM | |
| Score | 4.0 |
|---|---|
| Vector | AV:N/AC:H/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) | 高 |
| 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 | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:h:nortel:contivity:2.1.7:*:*:*:*:*:*:* | |||||
| cpe:2.3:h:nortel:contivity:3.00:*:*:*:*:*:*:* | |||||
| cpe:2.3:h:nortel:contivity:3.01:*:*:*:*:*:*:* | |||||
| cpe:2.3:h:nortel:contivity:4.91:*:*:*:*:*:*:* | |||||
| cpe:2.3:h:nortel:contivity:5.01:*:*:*:*:*:*:* | |||||