Vulnerability in Openbsd Openssh

CVE-2003-0190

OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.

EPSS: 0.768 (99.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2003-0190?
CVE-2003-0190 is a vulnerability in Openbsd Openssh, classified under Observable Discrepancy. Published 2003-05-12.
Is CVE-2003-0190 known to be exploited?
11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.