Is CVE-2003-0190 in the CISA KEV catalog?

No. CVE-2003-0190 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0190?

CVE-2003-0190 has a CVSS v2 base score of 5.0 (MEDIUM).

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

CVE-2003-0190 has an EPSS score of 76.75% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0190

MEDIUMEPSS 99th pctl

5.0

CVSS v2

NVD

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.

CWE-203

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

76.75%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://lab.mediaservice.net/advisory/2003-01-openssh.txt
http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.html
http://marc.info/?l=bugtraq&m=105172058404810&w=2
http://marc.info/?l=bugtraq&m=106018677302607&w=2
http://www.redhat.com/support/errata/RHSA-2003-222.html
http://www.redhat.com/support/errata/RHSA-2003-224.html
http://www.securityfocus.com/bid/7467
http://www.turbolinux.com/security/TLSA-2003-31.txt
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.