CVE-1999-1231 Information disclosure in n/a
Remote attackers can enumerate valid user accounts on SSH servers by observing differences in password prompt behavior for valid versus invalid usernames.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-1999-1231?
CVE-1999-1231 is a medium-severity vulnerability in n/a, published on 12 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-1999-1231?
It affects 1 product.
Products include Ssh Ssh2.
How do I fix CVE-1999-1231?
No fix has been published for CVE-1999-1231 yet. Limit exposure of the affected software until one is available.
Is CVE-1999-1231 being exploited?
There is no known exploitation of CVE-1999-1231 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7g97-5hq7-x7mm.