security flaw
Published Sep 4, 2003
4.6
MEDIUMCVSS 2.0
EPSS 0.70%
Description
Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.
Affected products
No data.
- 3.3
- 3.4a
- 3.7
- 3.8
- 3.9
- 3.10
- 3.11
- 3.12
- 3.13
- 3.14
- 3.15
- 3.16
- 3.17
- 3.18
- 3.19
- 3.20
- 3.21
- 3.21a
- 3.21b
- 3.21c
- 3.22
- 3.24
- 4.0
No data.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2003:297
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2003:297
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2003:297
Red Hat Linux 7.1
n/a
Fixed · RHSA-2003:296
Red Hat Linux 7.2
n/a
Fixed · RHSA-2003:296
Red Hat Linux 7.3
n/a
Fixed · RHSA-2003:296
Red Hat Linux 8.0
n/a
Fixed · RHSA-2003:296
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2003:297
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2003:297 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2003:297 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2003:297 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2003:296 |
| Red Hat Linux 7.2 | n/a | Fixed | RHSA-2003:296 |
| Red Hat Linux 7.3 | n/a | Fixed | RHSA-2003:296 |
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2003:296 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2003:297 |
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:L/AC:L/Au:N/C:P/I:P/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.70% (0.00700) | 51.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.70% (0.00704) | 48.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00116) | 27.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01761) | 76.53th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01761) | 76.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01761) | 74.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01761) | 53.69th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736 vendor-advisoryx_refsource_CONECTIVA
- http://marc.info/?l=bugtraq&m=106260760211958&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:108 vendor-advisoryx_refsource_MANDRAKE
- http://www.redhat.com/support/errata/RHSA-2003-297.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2003-0740 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617077 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2003-0740
- https://www.cve.org/CVERecord?id=CVE-2003-0740
| Link | Providers | Tags |
|---|---|---|
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736 | vendor-advisoryx_refsource_CONECTIVA | |
| http://marc.info/?l=bugtraq&m=106260760211958&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2003:108 | vendor-advisoryx_refsource_MANDRAKE | |
| http://www.redhat.com/support/errata/RHSA-2003-297.html | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2003-0740 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1617077 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2003-0740 | ||
| https://www.cve.org/CVERecord?id=CVE-2003-0740 |
Change history (0)
No recorded changes yet.