hfaxd in HylaFAX before 4.2.1, when installed with a "weak" hosts.hfaxd file, allows remote attackers to authenticate and bypass intended access restrictions via a crafted (1) username or (2) hostname that satisfies a regular expression that is matched against a hosts.hfaxd entry without a password
Published Jan 19, 2005
7.5
HIGHCVSS 2.0
EPSS 1.78%
Description
hfaxd in HylaFAX before 4.2.1, when installed with a "weak" hosts.hfaxd file, allows remote attackers to authenticate and bypass intended access restrictions via a crafted (1) username or (2) hostname that satisfies a regular expression that is matched against a hosts.hfaxd entry without a password.
Affected products
No data.
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.5
- 4.1.6
- 4.1.7
- 4.1.8
- 4.1_beta1
- 4.1_beta2
- 4.1_beta3
- 4.2.0
No data.
No Red Hat product state for this CVE.
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: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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.78% (0.01779) | 77.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.78% (0.01779) | 75.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.55% (0.00552) | 66.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.49% (0.00490) | 76.90th | v3 (v2023.03.01) |
| May 3, 2024 | 0.69% (0.00695) | 80.08th | v3 (v2023.03.01) |
| Dec 27, 2023 | 0.69% (0.00695) | 78.04th | v3 (v2023.03.01) |
| May 11, 2023 | 0.98% (0.00977) | 81.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.02% (0.10020) | 93.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://marc.info/?l=bugtraq&m=110546971307585&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=hylafax&m=110545119911558&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/13812 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200501-21.xml vendor-advisoryx_refsource_GENTOOPatch
- http://www.debian.org/security/2004/dsa-634 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:006 vendor-advisoryx_refsource_MANDRAKE
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=110546971307585&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=hylafax&m=110545119911558&w=2 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/13812 | third-party-advisoryx_refsource_SECUNIA | |
| http://security.gentoo.org/glsa/glsa-200501-21.xml | vendor-advisoryx_refsource_GENTOOPatch | |
| http://www.debian.org/security/2004/dsa-634 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2005:006 | vendor-advisoryx_refsource_MANDRAKE |
Change history (0)
No recorded changes yet.