HIGH
asterisk: IAX2 DoS vulnerability (AST-2009-006)
Published Sep 8, 2009
7.8
HIGHCVSS 2.0
EPSS 2.58%
Description
The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.
Affected products
No data.
OR
- b.1.3.2
- b.1.3.3
- b.2.2.0
- b.2.2.1
- b.2.3.1
- b.2.3.2
- b.2.3.3
- b.2.3.4
- b.2.3.5
- b.2.3.6
- b.2.5.1
- b.2.5.3
- b.2.5.4
- b.2.5.5
- b.2.5.6
- b.2.5.8
- b.2.5.9
- c.1.0_beta7
- c.1.0_beta8
- c.1.6
- c.1.6.1
- c.1.6.2
- c.1.8.1
- c.1.10.3
- c.1.10.4
- c.1.10.5
- c.2.1.2.1
- c.2.3
- c.2.3.3
- c.2.4.2
- c.3.1.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.2
- 1.2.3
- 1.2.3
- 1.2.4
- 1.2.4
- 1.2.5
- 1.2.5
- 1.2.6
- 1.2.6
- 1.2.7
- 1.2.7
- 1.2.7.1
- 1.2.7.1
- 1.2.8
- 1.2.8
- 1.2.9
- 1.2.9.1
- 1.2.9.1
- 1.2.10
- 1.2.10
- 1.2.11
- 1.2.11
- 1.2.12
- 1.2.12
- 1.2.12.1
- 1.2.12.1
- 1.2.13
- 1.2.13
- 1.2.14
- 1.2.14
- 1.2.15
- 1.2.15
- 1.2.16
- 1.2.16
- 1.2.17
- 1.2.17
- 1.2.18
- 1.2.18
- 1.2.19
- 1.2.19
- 1.2.20
- 1.2.20
- 1.2.21
- 1.2.21
- 1.2.21.1
- 1.2.21.1
- 1.2.22
- 1.2.22
- 1.2.23
- 1.2.23
- 1.2.24
- 1.2.24
- 1.2.25
- 1.2.25
- 1.2.26
- 1.2.26
- 1.2.26.1
- 1.2.26.1
- 1.2.26.2
- 1.2.26.2
- 1.2.27
- 1.2.28
- 1.2.29
- 1.2.30
- 1.2.30.2
- 1.2.30.3
- 1.2.30.4
- 1.2.31
- 1.2.32
- 1.2.33
- 1.2.34
- 1.4.0
- 1.4.0
- 1.4.0
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.7.1
- 1.4.8
- 1.4.9
- 1.4.10
- 1.4.10.1
- 1.4.11
- 1.4.12
- 1.4.12.1
- 1.4.13
- 1.4.14
- 1.4.15
- 1.4.16
- 1.4.16.1
- 1.4.16.2
- 1.4.17
- 1.4.18
- 1.4.18.1
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19.1
- 1.4.19.2
- 1.4.20
- 1.4.20
- 1.4.20
- 1.4.20
- 1.4.21
- 1.4.21
- 1.4.21
- 1.4.21.1
- 1.4.21.2
- 1.4.22
- 1.4.22
- 1.4.22
- 1.4.22.1
- 1.4.22.2
- 1.4.23
- 1.4.23
- 1.4.23
- 1.4.23
- 1.4beta
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0.1
- 1.6.0.2
- 1.6.0.3
- 1.6.0.3
- 1.6.1.0
- 1.6.1.0
- 1.6.1.5
- 1.4.23.2
- 1.4.24
- 1.4.24.1
- 1.4.26
- 1.4.26.1
- 1.6.1
- 1.6.1.4
- 1.3
- 1.3.0.2
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.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.58% 0.02581
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.02581
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 3, 2026 | 2.58% (0.02581) | 84.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.58% (0.02581) | 83.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.84% (0.00843) | 73.14th | v4 (v2025.03.14) |
| Feb 11, 2025 | 71.45% (0.71447) | 98.29th | v3 (v2023.03.01) |
| Jan 5, 2025 | 69.94% (0.69936) | 98.22th | v3 (v2023.03.01) |
| Dec 17, 2024 | 73.93% (0.73931) | 98.32th | v3 (v2023.03.01) |
| Aug 16, 2024 | 5.77% (0.05774) | 93.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.74% (0.04736) | 91.38th | 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) |
Weaknesses (1)
References (9)
- http://downloads.asterisk.org/pub/security/AST-2009-006.html x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/36593 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1022819 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/archive/1/506257/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/36275 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2009-2346 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=521164 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-2346
- https://www.cve.org/CVERecord?id=CVE-2009-2346
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2009-006.html | x_refsource_CONFIRMVendor Advisory | |
| http://secunia.com/advisories/36593 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1022819 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/archive/1/506257/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/36275 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2009-2346 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=521164 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-2346 | ||
| https://www.cve.org/CVERecord?id=CVE-2009-2346 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 8, 2009
Updated Aug 7, 2024
Reserved Jul 7, 2009
Link CVE-2009-2346
CISA Vulnrichment
Updated n/a