CVE-2003-0190
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.
Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
- Score
- 0.76751 (76.8% probability)
- Percentile
- 99.6%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
- RHSA-2003:222 (redhat.com)vendor-advisory
- 20030430 OpenSSH/PAM timing attack allows remote users identification (marc.info)mailing-list
- 7467 (securityfocus.com)vdb-entry
- 20030806 [OpenPKG-SA-2003.035] OpenPKG Security Advisory (openssh) (marc.info)mailing-list
- RHSA-2003:224 (redhat.com)vendor-advisory
- oval:org.mitre.oval:def:445 (oval.cisecurity.org)vdb-entrysignature
- lab.mediaservice.net/advisory/2003-01-openssh.txt
- TLSA-2003-31 (turbolinux.com)vendor-advisory
- 20030430 OpenSSH/PAM timing attack allows remote users identification (lists.grok.org.uk)mailing-list
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:46 UTC. Sources and licenses