NVD Vulnerability Detail
Search Exploit, PoC
CVE-1999-1231
Summary

ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server.

Publication Date June 9, 1999, 1 p.m.
Registration Date Jan. 29, 2021, 6:03 p.m.
Last Update Dec. 19, 2017, 11:29 a.m.
CVSS2.0 : MEDIUM
Score 5.0
Vector AV:N/AC:L/Au:N/C:P/I:N/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃前の認証要否(Au) 不要
機密性への影響(C)
完全性への影響(I) なし
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
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:ssh:ssh2:2.0:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh2:2.0.12:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List