CVE-2003-0190

Name: CVE-2003-0190
Creator: NVD / NIST
Published: 2003-05-12T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 76.75%

Last modified Jun 16, 2026

CVE-2003-0190 is a vulnerability of currently unknown severity. 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 estimates a 76.75% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

76.75%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions	Update
Openbsd	Openssh	< 3.6.1	—
Openbsd	Openssh	3.6.1	P1
Openpkg	Openpkg	1.2	—
Openpkg	Openpkg	1.3	—
Siemens	Scalance X204rna Ecc Firmware	< 3.2.7	—
Siemens	Scalance X204rna Firmware	< 3.2.7	—

References

http://lab.mediaservice.net/advisory/2003-01-openssh.txtBroken Link
http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.htmlBroken Link
http://marc.info/?l=bugtraq&m=105172058404810&w=2Third Party Advisory
http://marc.info/?l=bugtraq&m=106018677302607&w=2Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2003-222.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2003-224.htmlBroken Link
http://www.securityfocus.com/bid/7467Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.turbolinux.com/security/TLSA-2003-31.txtBroken Link
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfThird Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445Broken Link
http://lab.mediaservice.net/advisory/2003-01-openssh.txtBroken Link
http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.htmlBroken Link
http://marc.info/?l=bugtraq&m=105172058404810&w=2Third Party Advisory
http://marc.info/?l=bugtraq&m=106018677302607&w=2Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2003-222.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2003-224.htmlBroken Link
http://www.securityfocus.com/bid/7467Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.turbolinux.com/security/TLSA-2003-31.txtBroken Link
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfThird Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445Broken Link

Timeline

Published: May 12, 2003
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2003-0190?

How severe is CVE-2003-0190?

Severity scoring for CVE-2003-0190 is pending analysis. The EPSS model estimates a 76.75% probability of exploitation in the next 30 days.

How do I fix CVE-2003-0190?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2003-0190?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST