Is CVE-2003-0190 actively exploited?

CVE-2003-0190 has no public evidence of in-the-wild exploitation as of 2025-04-03.

What is the CVSS score for CVE-2003-0190?

CVE-2003-0190 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N.

How do I patch CVE-2003-0190?

Patch guidance is available from openbsd security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2003-0190.

CVE-2003-0190 - remediation guidance & executive summary

Q: Which products are affected by CVE-2003-0190?

6 products: openbsd openssh, openbsd openssh, openpkg openpkg, openpkg openpkg, siemens scalance x204rna ecc firmware, and 1 more.

Description

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.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: partial
Integrity: none
Availability: none
Weaknesses: CWE-203

Metadata

Primary Vendor: OPENBSD
Published: 5/12/2003
Last Modified: 4/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

openbsd : opensshopenbsd : opensshopenpkg : openpkgopenpkg : openpkgsiemens : scalance_x204rna_ecc_firmwaresiemens : scalance_x204rna_firmware

Remediation Guidance

Executive Summary

View on NIST NVD