FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames
Published May 28, 2009
5.0
MEDIUMCVSS 2.0
EPSS 1.22%
Description
FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
Affected products
No data.
- 2.4
- 2.4.0_beta1
- 2.4.0_beta2
- 2.4.1
- 2.5
- 2.5.0_beta1
- 2.5.0rc2
- 2.5.0rc3
- 2.5.1
- 2.5.2
- 2.4.0
- 2.5.0
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: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 2, 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 2, 2026 | 1.22% (0.01218) | 67.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.22% (0.01218) | 64.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00319) | 52.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.52% (0.00522) | 77.64th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.40% (0.00399) | 73.25th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.29% (0.00288) | 68.20th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00261) | 64.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00522) | 73.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://freepbx.org/trac/ticket/3660 x_refsource_CONFIRM
- http://secunia.com/advisories/34772 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/54263 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/34857 vdb-entryx_refsource_BIDPatch
| Link | Providers | Tags |
|---|---|---|
| http://freepbx.org/trac/ticket/3660 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/34772 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.osvdb.org/54263 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/34857 | vdb-entryx_refsource_BIDPatch |
Change history (0)
No recorded changes yet.