security flaw
Published May 2, 2003
5.0
MEDIUMCVSS 2.0
EPSS 76.75%
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.
Affected products
No data.
Configuration 3
- < 3.2.7
Running on/with
- n/a
Configuration 4
- < 3.2.7
Running on/with
- n/a
No data.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2003:224
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2003:224
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2003:224
Red Hat Linux 7.1
n/a
Fixed · RHSA-2003:222
Red Hat Linux 7.2
n/a
Fixed · RHSA-2003:222
Red Hat Linux 7.3
n/a
Fixed · RHSA-2003:222
Red Hat Linux 8.0
n/a
Fixed · RHSA-2003:222
Red Hat Linux 9
n/a
Fixed · RHSA-2003:222
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2003:224
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2003:224 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2003:224 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2003:224 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2003:222 |
| Red Hat Linux 7.2 | n/a | Fixed | RHSA-2003:222 |
| Red Hat Linux 7.3 | n/a | Fixed | RHSA-2003:222 |
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2003:222 |
| Red Hat Linux 9 | n/a | Fixed | RHSA-2003:222 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2003:224 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 76.75% (0.76751) | 99.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 76.75% (0.76751) | 99.48th | v5 (v2026.06.15) |
| Apr 21, 2026 | 20.58% (0.20579) | 95.59th | v4 (v2025.03.14) |
| Mar 14, 2026 | 22.65% (0.22646) | 95.76th | v4 (v2025.03.14) |
| Feb 5, 2026 | 17.16% (0.17155) | 94.82th | v4 (v2025.03.14) |
| Dec 28, 2025 | 15.23% (0.15230) | 94.39th | v4 (v2025.03.14) |
| Dec 27, 2025 | 16.40% (0.16403) | 94.68th | v4 (v2025.03.14) |
| Dec 14, 2025 | 15.23% (0.15230) | 94.36th | v4 (v2025.03.14) |
| Oct 11, 2025 | 12.21% (0.12205) | 93.49th | v4 (v2025.03.14) |
| Oct 1, 2025 | 13.61% (0.13610) | 94.03th | v4 (v2025.03.14) |
| Jul 30, 2025 | 14.69% (0.14685) | 94.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.21% (0.13214) | 93.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.95% (0.16946) | 91.67th | v4 (v2025.03.14) |
| Mar 25, 2025 | 13.21% (0.13214) | 93.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 27.10% (0.27099) | 95.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.86% (0.06860) | 93.83th | v3 (v2023.03.01) |
| Aug 12, 2024 | 4.91% (0.04914) | 92.89th | v3 (v2023.03.01) |
| Feb 16, 2024 | 6.45% (0.06451) | 93.44th | v3 (v2023.03.01) |
| Oct 11, 2023 | 1.52% (0.01517) | 85.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.70% (0.01699) | 85.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
References (14)
- http://lab.mediaservice.net/advisory/2003-01-openssh.txt Broken Link
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.html mailing-listBroken Link
- http://marc.info/?l=bugtraq&m=105172058404810&w=2 mailing-listThird Party Advisory
- http://marc.info/?l=bugtraq&m=106018677302607&w=2 mailing-listThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2003-222.html vendor-advisoryBroken Link
- http://www.redhat.com/support/errata/RHSA-2003-224.html vendor-advisoryBroken Link
- http://www.securityfocus.com/bid/7467 vdb-entryBroken LinkExploitPatchThird Party AdvisoryVDB EntryVendor Advisory
- http://www.turbolinux.com/security/TLSA-2003-31.txt vendor-advisoryBroken Link
- https://access.redhat.com/security/cve/CVE-2003-0190 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616997 Issue Tracking
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2003-0190
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445 vdb-entrysignatureBroken Link
- https://www.cve.org/CVERecord?id=CVE-2003-0190
Change history (0)
No recorded changes yet.