IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
2009-01-14T23:30:00.187
2025-04-09T00:30:58.490
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | asterisk | asterisk_business_edition | ≤ b.2.5.2 | Yes |
| Application | asterisk | asterisk_business_edition | ≤ c.1.0 | Yes |
| Application | asterisk | asterisk_business_edition | a | Yes |
| Application | asterisk | asterisk_business_edition | b.1.3.2 | Yes |
| Application | asterisk | asterisk_business_edition | b.1.3.3 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.2.0 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.2.1 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.1 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.2 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.3 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.4 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.5 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.3.6 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.5.0 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.5.1 | Yes |
| Application | asterisk | asterisk_business_edition | b.2.5.3 | Yes |
| Application | asterisk | asterisk_business_edition | c.1.0 | Yes |
| Application | asterisk | open_source | ≤ 1.2.30.4 | Yes |
| Application | asterisk | open_source | ≤ 1.4.23 | Yes |
| Application | asterisk | open_source | ≤ 1.6.0.3 | Yes |
| Application | asterisk | open_source | 1.2.0 | Yes |
| Application | asterisk | open_source | 1.2.0 | Yes |
| Application | asterisk | open_source | 1.2.0 | Yes |
| Application | asterisk | open_source | 1.2.0 | Yes |
| Application | asterisk | open_source | 1.2.0 | Yes |
| Application | asterisk | open_source | 1.2.0beta1 | Yes |
| Application | asterisk | open_source | 1.2.0beta2 | Yes |
| Application | asterisk | open_source | 1.2.1 | Yes |
| Application | asterisk | open_source | 1.2.2 | Yes |
| Application | asterisk | open_source | 1.2.2 | Yes |
| Application | asterisk | open_source | 1.2.3 | Yes |
| Application | asterisk | open_source | 1.2.3 | Yes |
| Application | asterisk | open_source | 1.2.10 | Yes |
| Application | asterisk | open_source | 1.2.10 | Yes |
| Application | asterisk | open_source | 1.2.11 | Yes |
| Application | asterisk | open_source | 1.2.11 | Yes |
| Application | asterisk | open_source | 1.2.12 | Yes |
| Application | asterisk | open_source | 1.2.12 | Yes |
| Application | asterisk | open_source | 1.2.12.1 | Yes |
| Application | asterisk | open_source | 1.2.12.1 | Yes |
| Application | asterisk | open_source | 1.2.13 | Yes |
| Application | asterisk | open_source | 1.2.13 | Yes |
| Application | asterisk | open_source | 1.2.14 | Yes |
| Application | asterisk | open_source | 1.2.14 | Yes |
| Application | asterisk | open_source | 1.2.15 | Yes |
| Application | asterisk | open_source | 1.2.15 | Yes |
| Application | asterisk | open_source | 1.2.16 | Yes |
| Application | asterisk | open_source | 1.2.16 | Yes |
| Application | asterisk | open_source | 1.2.17 | Yes |
| Application | asterisk | open_source | 1.2.17 | Yes |
| Application | asterisk | open_source | 1.2.18 | Yes |
| Application | asterisk | open_source | 1.2.18 | Yes |
| Application | asterisk | open_source | 1.2.19 | Yes |
| Application | asterisk | open_source | 1.2.19 | Yes |
| Application | asterisk | open_source | 1.2.20 | Yes |
| Application | asterisk | open_source | 1.2.20 | Yes |
| Application | asterisk | open_source | 1.2.21 | Yes |
| Application | asterisk | open_source | 1.2.21 | Yes |
| Application | asterisk | open_source | 1.2.21.1 | Yes |
| Application | asterisk | open_source | 1.2.21.1 | Yes |
| Application | asterisk | open_source | 1.2.22 | Yes |
| Application | asterisk | open_source | 1.2.22 | Yes |
| Application | asterisk | open_source | 1.2.23 | Yes |
| Application | asterisk | open_source | 1.2.23 | Yes |
| Application | asterisk | open_source | 1.2.24 | Yes |
| Application | asterisk | open_source | 1.2.24 | Yes |
| Application | asterisk | open_source | 1.2.25 | Yes |
| Application | asterisk | open_source | 1.2.25 | Yes |
| Application | asterisk | open_source | 1.2.26 | Yes |
| Application | asterisk | open_source | 1.2.26 | Yes |
| Application | asterisk | open_source | 1.2.26.1 | Yes |
| Application | asterisk | open_source | 1.2.26.1 | Yes |
| Application | asterisk | open_source | 1.2.26.2 | Yes |
| Application | asterisk | open_source | 1.2.26.2 | Yes |
| Application | asterisk | open_source | 1.2.27 | Yes |
| Application | asterisk | open_source | 1.2.28 | Yes |
| Application | asterisk | open_source | 1.2.29 | Yes |
| Application | asterisk | open_source | 1.2.30 | Yes |
| Application | asterisk | open_source | 1.2.30.2 | Yes |
| Application | asterisk | open_source | 1.2.30.3 | Yes |
| Application | asterisk | open_source | 1.4.0 | Yes |
| Application | asterisk | open_source | 1.4.0 | Yes |
| Application | asterisk | open_source | 1.4.0 | Yes |
| Application | asterisk | open_source | 1.4.0 | Yes |
| Application | asterisk | open_source | 1.4.1 | Yes |
| Application | asterisk | open_source | 1.4.2 | Yes |
| Application | asterisk | open_source | 1.4.3 | Yes |
| Application | asterisk | open_source | 1.4.4 | Yes |
| Application | asterisk | open_source | 1.4.5 | Yes |
| Application | asterisk | open_source | 1.4.6 | Yes |
| Application | asterisk | open_source | 1.4.7 | Yes |
| Application | asterisk | open_source | 1.4.7.1 | Yes |
| Application | asterisk | open_source | 1.4.8 | Yes |
| Application | asterisk | open_source | 1.4.9 | Yes |
| Application | asterisk | open_source | 1.4.10 | Yes |
| Application | asterisk | open_source | 1.4.10.1 | Yes |
| Application | asterisk | open_source | 1.4.11 | Yes |
| Application | asterisk | open_source | 1.4.12 | Yes |
| Application | asterisk | open_source | 1.4.12.1 | Yes |
| Application | asterisk | open_source | 1.4.13 | Yes |
| Application | asterisk | open_source | 1.4.14 | Yes |
| Application | asterisk | open_source | 1.4.15 | Yes |
| Application | asterisk | open_source | 1.4.16 | Yes |
| Application | asterisk | open_source | 1.4.16.1 | Yes |
| Application | asterisk | open_source | 1.4.16.2 | Yes |
| Application | asterisk | open_source | 1.4.17 | Yes |
| Application | asterisk | open_source | 1.4.18 | Yes |
| Application | asterisk | open_source | 1.4.18.1 | Yes |
| Application | asterisk | open_source | 1.4.19 | Yes |
| Application | asterisk | open_source | 1.4.19 | Yes |
| Application | asterisk | open_source | 1.4.19 | Yes |
| Application | asterisk | open_source | 1.4.19 | Yes |
| Application | asterisk | open_source | 1.4.19 | Yes |
| Application | asterisk | open_source | 1.4.19.1 | Yes |
| Application | asterisk | open_source | 1.4.19.2 | Yes |
| Application | asterisk | open_source | 1.4.20 | Yes |
| Application | asterisk | open_source | 1.4.20 | Yes |
| Application | asterisk | open_source | 1.4.20 | Yes |
| Application | asterisk | open_source | 1.4.20 | Yes |
| Application | asterisk | open_source | 1.4.21 | Yes |
| Application | asterisk | open_source | 1.4.21 | Yes |
| Application | asterisk | open_source | 1.4.21 | Yes |
| Application | asterisk | open_source | 1.4.21.1 | Yes |
| Application | asterisk | open_source | 1.4.21.2 | Yes |
| Application | asterisk | open_source | 1.4.22 | Yes |
| Application | asterisk | open_source | 1.4.22 | Yes |
| Application | asterisk | open_source | 1.4.22 | Yes |
| Application | asterisk | open_source | 1.4.22.1 | Yes |
| Application | asterisk | open_source | 1.4.22.2 | Yes |
| Application | asterisk | open_source | 1.4.23 | Yes |
| Application | asterisk | open_source | 1.4.23 | Yes |
| Application | asterisk | open_source | 1.4.23 | Yes |
| Application | asterisk | open_source | 1.4_revision_95946 | Yes |
| Application | asterisk | open_source | 1.4beta | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0 | Yes |
| Application | asterisk | open_source | 1.6.0.1 | Yes |
| Application | asterisk | open_source | 1.6.0.2 | Yes |
| Application | asterisk | open_source | 1.6.0.3 | Yes |
| Hardware | asterisk | s800i_appliance | 1.2 | Yes |